1557103163 has 32 divisors (see below), whose sum is σ = 1969602048. Its totient is φ = 1195776000.

The previous prime is 1557103103. The next prime is 1557103183. The reversal of 1557103163 is 3613017551.

It is a cyclic number.

It is not a de Polignac number, because 1557103163 - 2¹² = 1557099067 is a prime.

It is a super-3 number, since 3×1557103163³ (a number of 29 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1557103103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2698331 + ... + 2698907.

It is an arithmetic number, because the mean of its divisors is an integer number (61550064).

Almost surely, 2^1557103163 is an apocalyptic number.

1557103163 is a deficient number, since it is larger than the sum of its proper divisors (412498885).

1557103163 is a wasteful number, since it uses less digits than its factorization.

1557103163 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1043.

The product of its (nonzero) digits is 9450, while the sum is 32.

The square root of 1557103163 is about 39460.1465151867. The cubic root of 1557103163 is about 1159.0596727016.

The spelling of 1557103163 in words is "one billion, five hundred fifty-seven million, one hundred three thousand, one hundred sixty-three".