1927660113604 has 9 divisors (see below), whose sum is σ = 3373410058221. Its totient is φ = 963828668400.

The previous prime is 1927660113583. The next prime is 1927660113611. The reversal of 1927660113604 is 4063110667291.

The square root of 1927660113604 is 1388402.

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., 94127467204 + 1833532646400 = 306802^2 + 1354080^2 .

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 2429704 + ... + 3123904.

Almost surely, 2^{1927660113604} is an apocalyptic number.

1927660113604 is the 1388402-nd square number.

It is an amenable number.

1927660113604 is a deficient number, since it is larger than the sum of its proper divisors (1445749944617).

1927660113604 is an frugal number, since it uses more digits than its factorization.

1927660113604 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1388406 (or 694203 counting only the distinct ones).

The product of its (nonzero) digits is 326592, while the sum is 46.

The spelling of 1927660113604 in words is "one trillion, nine hundred twenty-seven billion, six hundred sixty million, one hundred thirteen thousand, six hundred four".