164562351616 has 40 divisors (see below), whose sum is σ = 354095867664. Its totient is φ = 75951851520.

The previous prime is 164562351607. The next prime is 164562351617. The reversal of 164562351616 is 616153265461.

It is a happy number.

It is a super-2 number, since 2×164562351616² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (164562351617) 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, 12355300 + ... + 12368611.

Almost surely, 2^164562351616 is an apocalyptic number.

164562351616 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

164562351616 is an abundant number, since it is smaller than the sum of its proper divisors (189533516048).

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

164562351616 is an equidigital number, since it uses as much as digits as its factorization.

164562351616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24723942 (or 24723926 counting only the distinct ones).

The product of its digits is 777600, while the sum is 46.

The spelling of 164562351616 in words is "one hundred sixty-four billion, five hundred sixty-two million, three hundred fifty-one thousand, six hundred sixteen".