69164641 has 16 divisors (see below), whose sum is σ = 85523200. Its totient is φ = 54468288.

The previous prime is 69164633. The next prime is 69164677. The reversal of 69164641 is 14646196.

It is not a de Polignac number, because 69164641 - 2³ = 69164633 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 69164641.

It is not an unprimeable number, because it can be changed into a prime (69164621) 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, 19180 + ... + 22498.

It is an arithmetic number, because the mean of its divisors is an integer number (5345200).

Almost surely, 2^69164641 is an apocalyptic number.

It is an amenable number.

69164641 is a deficient number, since it is larger than the sum of its proper divisors (16358559).

69164641 is a wasteful number, since it uses less digits than its factorization.

69164641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3568.

The product of its digits is 31104, while the sum is 37.

The square root of 69164641 is about 8316.5281818797. The cubic root of 69164641 is about 410.4825589252.

The spelling of 69164641 in words is "sixty-nine million, one hundred sixty-four thousand, six hundred forty-one".