1577064336660 has 72 divisors (see below), whose sum is σ = 5035538770080. Its totient is φ = 398416252608.

The previous prime is 1577064336611. The next prime is 1577064336691. The reversal of 1577064336660 is 666334607751.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1577064336597 and 1577064336606.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 230561542 + ... + 230568381.

Almost surely, 2^{1577064336660} is an apocalyptic number.

1577064336660 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1577064336660 is an abundant number, since it is smaller than the sum of its proper divisors (3458474433420).

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

1577064336660 is a wasteful number, since it uses less digits than its factorization.

1577064336660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 461129957 (or 461129952 counting only the distinct ones).

The product of its (nonzero) digits is 11430720, while the sum is 54.

The spelling of 1577064336660 in words is "one trillion, five hundred seventy-seven billion, sixty-four million, three hundred thirty-six thousand, six hundred sixty".