2157016629 has 16 divisors (see below), whose sum is σ = 3068868800. Its totient is φ = 1343661696.

The previous prime is 2157016621. The next prime is 2157016643. The reversal of 2157016629 is 9266107512.

It is not a de Polignac number, because 2157016629 - 2³ = 2157016621 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2157016621) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 255034 + ... + 263355.

It is an arithmetic number, because the mean of its divisors is an integer number (191804300).

Almost surely, 2^2157016629 is an apocalyptic number.

It is an amenable number.

2157016629 is a deficient number, since it is larger than the sum of its proper divisors (911852171).

2157016629 is a wasteful number, since it uses less digits than its factorization.

2157016629 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 518484.

The product of its (nonzero) digits is 45360, while the sum is 39.

The square root of 2157016629 is about 46443.6931025085. The cubic root of 2157016629 is about 1292.0654029600.

The spelling of 2157016629 in words is "two billion, one hundred fifty-seven million, sixteen thousand, six hundred twenty-nine".