168050621072356 has 81 divisors (see below), whose sum is σ = 341174229019113. Its totient is φ = 72363962737440.

The previous prime is 168050621072339. The next prime is 168050621072393. The reversal of 168050621072356 is 653270126050861.

The square root of 168050621072356 is 12963434.

It is a perfect power (a square), and thus also a powerful number.

168050621072356 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 270826568100 + 167779794504256 = 520410^2 + 12952984^2 .

It is a super-2 number, since 2×168050621072356² (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 5418699906 + ... + 5418730918.

Almost surely, 2^{168050621072356} is an apocalyptic number.

168050621072356 is the 12963434-th square number.

It is an amenable number.

168050621072356 is an abundant number, since it is smaller than the sum of its proper divisors (173123607946757).

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

168050621072356 is an frugal number, since it uses more digits than its factorization.

168050621072356 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62090 (or 31045 counting only the distinct ones).

The product of its (nonzero) digits is 3628800, while the sum is 52.

The spelling of 168050621072356 in words is "one hundred sixty-eight trillion, fifty billion, six hundred twenty-one million, seventy-two thousand, three hundred fifty-six".