1657057057052 has 6 divisors (see below), whose sum is σ = 2899849849848. Its totient is φ = 828528528524.

The previous prime is 1657057057049. The next prime is 1657057057067. The reversal of 1657057057052 is 2507507507561.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 207132132128 + ... + 207132132135.

It is an arithmetic number, because the mean of its divisors is an integer number (483308308308).

Almost surely, 2^{1657057057052} is an apocalyptic number.

It is an amenable number.

1657057057052 is a deficient number, since it is larger than the sum of its proper divisors (1242792792796).

1657057057052 is a wasteful number, since it uses less digits than its factorization.

1657057057052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 414264264267 (or 414264264265 counting only the distinct ones).

The product of its (nonzero) digits is 2572500, while the sum is 50.

The spelling of 1657057057052 in words is "one trillion, six hundred fifty-seven billion, fifty-seven million, fifty-seven thousand, fifty-two".