67901816862 has 32 divisors (see below), whose sum is σ = 164610466560. Its totient is φ = 20576307960.

The previous prime is 67901816821. The next prime is 67901816863. The reversal of 67901816862 is 26861810976.

67901816862 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×67901816862² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a junction number, because it is equal to n+sod(n) for n = 67901816799 and 67901816808.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (67901816863) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 57155818 + ... + 57157005.

It is an arithmetic number, because the mean of its divisors is an integer number (5144077080).

Almost surely, 2^67901816862 is an apocalyptic number.

67901816862 is an abundant number, since it is smaller than the sum of its proper divisors (96708649698).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

67901816862 is a wasteful number, since it uses less digits than its factorization.

67901816862 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114312845 (or 114312839 counting only the distinct ones).

The product of its (nonzero) digits is 1741824, while the sum is 54.

The spelling of 67901816862 in words is "sixty-seven billion, nine hundred one million, eight hundred sixteen thousand, eight hundred sixty-two".