1557053016 has 16 divisors (see below), whose sum is σ = 3892632600. Its totient is φ = 519017664.

The previous prime is 1557052961. The next prime is 1557053039. The reversal of 1557053016 is 6103507551.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32438581 + ... + 32438628.

Almost surely, 2^1557053016 is an apocalyptic number.

It is an amenable number.

1557053016 is an abundant number, since it is smaller than the sum of its proper divisors (2335579584).

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

1557053016 is a wasteful number, since it uses less digits than its factorization.

1557053016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64877218 (or 64877214 counting only the distinct ones).

The product of its (nonzero) digits is 15750, while the sum is 33.

The square root of 1557053016 is about 39459.5110968192. The cubic root of 1557053016 is about 1159.0472299402.

It can be divided in two parts, 15570 and 53016, that added together give a palindrome (68586).

The spelling of 1557053016 in words is "one billion, five hundred fifty-seven million, fifty-three thousand, sixteen".