61012164 has 24 divisors (see below), whose sum is σ = 142490880. Its totient is φ = 20318944.

The previous prime is 61012129. The next prime is 61012187. The reversal of 61012164 is 46121016.

61012164 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 61012164.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 20482 + ... + 23270.

It is an arithmetic number, because the mean of its divisors is an integer number (5937120).

Almost surely, 2^61012164 is an apocalyptic number.

It is an amenable number.

61012164 is an abundant number, since it is smaller than the sum of its proper divisors (81478716).

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

61012164 is a wasteful number, since it uses less digits than its factorization.

61012164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4619 (or 4617 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 21.

The square root of 61012164 is about 7811.0283573932. The cubic root of 61012164 is about 393.6758824464.

The spelling of 61012164 in words is "sixty-one million, twelve thousand, one hundred sixty-four".