1557103164 has 24 divisors (see below), whose sum is σ = 3648449280. Its totient is φ = 516861744.

The previous prime is 1557103103. The next prime is 1557103183. The reversal of 1557103164 is 4613017551.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 268594 + ... + 274329.

It is an arithmetic number, because the mean of its divisors is an integer number (152018720).

Almost surely, 2^1557103164 is an apocalyptic number.

It is an amenable number.

1557103164 is an abundant number, since it is smaller than the sum of its proper divisors (2091346116).

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

1557103164 is a wasteful number, since it uses less digits than its factorization.

1557103164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 543169 (or 543167 counting only the distinct ones).

The product of its (nonzero) digits is 12600, while the sum is 33.

The square root of 1557103164 is about 39460.1465278577. The cubic root of 1557103164 is about 1159.0596729497.

The spelling of 1557103164 in words is "one billion, five hundred fifty-seven million, one hundred three thousand, one hundred sixty-four".