61562164 has 12 divisors (see below), whose sum is σ = 107799300. Its totient is φ = 30762368.

The previous prime is 61562161. The next prime is 61562167. The reversal of 61562164 is 46126516.

It is an interprime number because it is at equal distance from previous prime (61562161) and next prime (61562167).

It can be written as a sum of positive squares in 2 ways, for example, as 44997264 + 16564900 = 6708^2 + 4070^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61562161) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4902 + ... + 12130.

It is an arithmetic number, because the mean of its divisors is an integer number (8983275).

Almost surely, 2^61562164 is an apocalyptic number.

It is an amenable number.

61562164 is a deficient number, since it is larger than the sum of its proper divisors (46237136).

61562164 is a wasteful number, since it uses less digits than its factorization.

61562164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9362 (or 9360 counting only the distinct ones).

The product of its digits is 8640, while the sum is 31.

The square root of 61562164 is about 7846.1560015080. The cubic root of 61562164 is about 394.8552885488.

The spelling of 61562164 in words is "sixty-one million, five hundred sixty-two thousand, one hundred sixty-four".