64201869167 has 4 divisors (see below), whose sum is σ = 64225380456. Its totient is φ = 64178357880.

The previous prime is 64201869133. The next prime is 64201869229. The reversal of 64201869167 is 76196810246.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 64201869167 - 2²⁰ = 64200820591 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64201860167) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11751548 + ... + 11757009.

It is an arithmetic number, because the mean of its divisors is an integer number (16056345114).

Almost surely, 2^64201869167 is an apocalyptic number.

64201869167 is a deficient number, since it is larger than the sum of its proper divisors (23511289).

64201869167 is a wasteful number, since it uses less digits than its factorization.

64201869167 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23511288.

The product of its (nonzero) digits is 870912, while the sum is 50.

The spelling of 64201869167 in words is "sixty-four billion, two hundred one million, eight hundred sixty-nine thousand, one hundred sixty-seven".