165064601831 has 8 divisors (see below), whose sum is σ = 165230112528. Its totient is φ = 164899152000.

The previous prime is 165064601789. The next prime is 165064601861. The reversal of 165064601831 is 138106460561.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-165064601831 is a prime.

It is a super-2 number, since 2×165064601831² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (165064601861) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6934991 + ... + 6958751.

It is an arithmetic number, because the mean of its divisors is an integer number (20653764066).

Almost surely, 2^165064601831 is an apocalyptic number.

165064601831 is a deficient number, since it is larger than the sum of its proper divisors (165510697).

165064601831 is a wasteful number, since it uses less digits than its factorization.

165064601831 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30433.

The product of its (nonzero) digits is 103680, while the sum is 41.

The spelling of 165064601831 in words is "one hundred sixty-five billion, sixty-four million, six hundred one thousand, eight hundred thirty-one".