2157513116 has 48 divisors (see below), whose sum is σ = 4303363680. Its totient is φ = 937440000.

The previous prime is 2157513079. The next prime is 2157513119. The reversal of 2157513116 is 6113157512.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2157513119) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 120506 + ... + 137246.

It is an arithmetic number, because the mean of its divisors is an integer number (89653410).

Almost surely, 2^2157513116 is an apocalyptic number.

It is an amenable number.

2157513116 is a deficient number, since it is larger than the sum of its proper divisors (2145850564).

2157513116 is a wasteful number, since it uses less digits than its factorization.

2157513116 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16886 (or 16884 counting only the distinct ones).

The product of its digits is 6300, while the sum is 32.

The square root of 2157513116 is about 46449.0378371824. The cubic root of 2157513116 is about 1292.1645282140.

The spelling of 2157513116 in words is "two billion, one hundred fifty-seven million, five hundred thirteen thousand, one hundred sixteen".