612138160 has 40 divisors (see below), whose sum is σ = 1427582736. Its totient is φ = 244104960.

The previous prime is 612138151. The next prime is 612138203. The reversal of 612138160 is 61831216.

612138160 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (40).

It is a hoax number, since the sum of its digits (28) coincides with the sum of the digits of its distinct prime factors.

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, 14922 + ... + 38038.

Almost surely, 2^612138160 is an apocalyptic number.

It is an amenable number.

612138160 is an abundant number, since it is smaller than the sum of its proper divisors (815444576).

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

612138160 is a wasteful number, since it uses less digits than its factorization.

612138160 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23461 (or 23455 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 28.

The square root of 612138160 is about 24741.4259896232. The cubic root of 612138160 is about 849.0823591731.

Adding to 612138160 its reverse (61831216), we get a palindrome (673969376).

The spelling of 612138160 in words is "six hundred twelve million, one hundred thirty-eight thousand, one hundred sixty".