152921666704 has 45 divisors (see below), whose sum is σ = 301574636697. Its totient is φ = 75119524992.

The previous prime is 152921666671. The next prime is 152921666707. The reversal of 152921666704 is 407666129251.

The square root of 152921666704 is 391052.

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

152921666704 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., 48690835600 + 104230831104 = 220660^2 + 322848^2 .

It is a super-2 number, since 2×152921666704² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (152921666707) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 92287444 + ... + 92289100.

Almost surely, 2^152921666704 is an apocalyptic number.

152921666704 is the 391052-nd square number.

It is an amenable number.

152921666704 is a deficient number, since it is larger than the sum of its proper divisors (148652969993).

152921666704 is an frugal number, since it uses more digits than its factorization.

152921666704 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3440 (or 1718 counting only the distinct ones).

The product of its (nonzero) digits is 1088640, while the sum is 49.

Multiplying 152921666704 by its sum of digits (49), we get a square (7493161668496 = 2737364²).

The spelling of 152921666704 in words is "one hundred fifty-two billion, nine hundred twenty-one million, six hundred sixty-six thousand, seven hundred four".