61471164 has 48 divisors (see below), whose sum is σ = 147768320. Its totient is φ = 19880640.

The previous prime is 61471153. The next prime is 61471187. The reversal of 61471164 is 46117416.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 57297 + ... + 58359.

Almost surely, 2^61471164 is an apocalyptic number.

It is an amenable number.

61471164 is an abundant number, since it is smaller than the sum of its proper divisors (86297156).

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

61471164 is a wasteful number, since it uses less digits than its factorization.

61471164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1210 (or 1208 counting only the distinct ones).

The product of its digits is 4032, while the sum is 30.

The square root of 61471164 is about 7840.3548389088. The cubic root of 61471164 is about 394.6606367905.

The spelling of 61471164 in words is "sixty-one million, four hundred seventy-one thousand, one hundred sixty-four".