168950655602404 has 27 divisors (see below), whose sum is σ = 320157134234217. Its totient is φ = 77977069685424.

The previous prime is 168950655602369. The next prime is 168950655602411. The reversal of 168950655602404 is 404206556059861.

It is a happy number.

The square root of 168950655602404 is 12998102.

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

It can be written as a sum of positive squares in only one way, i.e., 24992700532900 + 143957955069504 = 4999270^2 + 11998248^2 .

It is a super-2 number, since 2×168950655602404² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 337700689 + ... + 338200615.

Almost surely, 2^{168950655602404} is an apocalyptic number.

168950655602404 is the 12998102-nd square number.

It is an amenable number.

168950655602404 is a deficient number, since it is larger than the sum of its proper divisors (151206478631813).

168950655602404 is an frugal number, since it uses more digits than its factorization.

168950655602404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 999884 (or 499942 counting only the distinct ones).

The product of its (nonzero) digits is 62208000, while the sum is 61.

The spelling of 168950655602404 in words is "one hundred sixty-eight trillion, nine hundred fifty billion, six hundred fifty-five million, six hundred two thousand, four hundred four".