164762661252 has 48 divisors (see below), whose sum is σ = 442276846592. Its totient is φ = 46763287200.

The previous prime is 164762661191. The next prime is 164762661257. The reversal of 164762661252 is 252166267461.

It is not an unprimeable number, because it can be changed into a prime (164762661257) 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, 6482218 + ... + 6507585.

Almost surely, 2^164762661252 is an apocalyptic number.

164762661252 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

164762661252 is an abundant number, since it is smaller than the sum of its proper divisors (277514185340).

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

164762661252 is a wasteful number, since it uses less digits than its factorization.

164762661252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12989968 (or 12989966 counting only the distinct ones).

The product of its digits is 1451520, while the sum is 48.

The spelling of 164762661252 in words is "one hundred sixty-four billion, seven hundred sixty-two million, six hundred sixty-one thousand, two hundred fifty-two".