156164122000 has 40 divisors (see below), whose sum is σ = 377604851832. Its totient is φ = 62465648000.

The previous prime is 156164121983. The next prime is 156164122019. The reversal of 156164122000 is 221461651.

It can be written as a sum of positive squares in 4 ways, for example, as 31094384896 + 125069737104 = 176336^2 + 353652^2 .

It is a tau number, because it is divible by the number of its divisors (40).

It is a self number, because there is not a number n which added to its sum of digits gives 156164122000.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39039031 + ... + 39043030.

Almost surely, 2^156164122000 is an apocalyptic number.

156164122000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

156164122000 is an abundant number, since it is smaller than the sum of its proper divisors (221440729832).

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

156164122000 is an equidigital number, since it uses as much as digits as its factorization.

156164122000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78082084 (or 78082068 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 28.

Adding to 156164122000 its reverse (221461651), we get a palindrome (156385583651).

The spelling of 156164122000 in words is "one hundred fifty-six billion, one hundred sixty-four million, one hundred twenty-two thousand".