164956620000 has 120 divisors (see below), whose sum is σ = 541090901736. Its totient is φ = 43988416000.

The previous prime is 164956619983. The next prime is 164956620007. The reversal of 164956620000 is 26659461.

It is a tau number, because it is divible by the number of its divisors (120).

It is a super-3 number, since 3×164956620000³ (a number of 35 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (164956620007) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 1314639 + ... + 1434638.

Almost surely, 2^164956620000 is an apocalyptic number.

164956620000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

164956620000 is an abundant number, since it is smaller than the sum of its proper divisors (376134281736).

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

164956620000 is an equidigital number, since it uses as much as digits as its factorization.

164956620000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2749310 (or 2749287 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 39.

The spelling of 164956620000 in words is "one hundred sixty-four billion, nine hundred fifty-six million, six hundred twenty thousand".