164511051270 has 32 divisors (see below), whose sum is σ = 396464824800. Its totient is φ = 43687580160.

The previous prime is 164511051253. The next prime is 164511051323. The reversal of 164511051270 is 72150115461.

It is a super-2 number, since 2×164511051270² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11369745 + ... + 11384204.

It is an arithmetic number, because the mean of its divisors is an integer number (12389525775).

Almost surely, 2^164511051270 is an apocalyptic number.

164511051270 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

164511051270 is an abundant number, since it is smaller than the sum of its proper divisors (231953773530).

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

164511051270 is a wasteful number, since it uses less digits than its factorization.

164511051270 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22754200.

The product of its (nonzero) digits is 8400, while the sum is 33.

The spelling of 164511051270 in words is "one hundred sixty-four billion, five hundred eleven million, fifty-one thousand, two hundred seventy".