386180216356 has 81 divisors (see below), whose sum is σ = 760244704401. Its totient is φ = 171515784000.

The previous prime is 386180216311. The next prime is 386180216501. The reversal of 386180216356 is 653612081683.

The square root of 386180216356 is 621434.

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., 324596830756 + 61583385600 = 569734^2 + 248160^2 .

It is a Duffinian number.

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, 642562456 + ... + 642563056.

Almost surely, 2^386180216356 is an apocalyptic number.

386180216356 is the 621434-th square number.

It is an amenable number.

386180216356 is a deficient number, since it is larger than the sum of its proper divisors (374064488045).

386180216356 is an equidigital number, since it uses as much as digits as its factorization.

386180216356 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1322 (or 661 counting only the distinct ones).

The product of its (nonzero) digits is 1244160, while the sum is 49.

Multiplying 386180216356 by its sum of digits (49), we get a square (18922830601444 = 4350038²).

The spelling of 386180216356 in words is "three hundred eighty-six billion, one hundred eighty million, two hundred sixteen thousand, three hundred fifty-six".