67268563761 has 16 divisors (see below), whose sum is σ = 102633116544. Its totient is φ = 38390939904.

The previous prime is 67268563721. The next prime is 67268563781. The reversal of 67268563761 is 16736586276.

67268563761 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 67268563761 - 2⁶ = 67268563697 is a prime.

It is not an unprimeable number, because it can be changed into a prime (67268563721) 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, 1992840 + ... + 2026313.

It is an arithmetic number, because the mean of its divisors is an integer number (6414569784).

Almost surely, 2^67268563761 is an apocalyptic number.

It is an amenable number.

67268563761 is a deficient number, since it is larger than the sum of its proper divisors (35364552783).

67268563761 is a wasteful number, since it uses less digits than its factorization.

67268563761 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4019960.

The product of its digits is 15240960, while the sum is 57.

The spelling of 67268563761 in words is "sixty-seven billion, two hundred sixty-eight million, five hundred sixty-three thousand, seven hundred sixty-one".