61560264 has 32 divisors (see below), whose sum is σ = 162954720. Its totient is φ = 19312896.

The previous prime is 61560263. The next prime is 61560277. The reversal of 61560264 is 46206516.

It is a super-2 number, since 2×61560264² = 7579332207499392, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (61560263) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 75034 + ... + 75849.

It is an arithmetic number, because the mean of its divisors is an integer number (5092335).

Almost surely, 2^61560264 is an apocalyptic number.

It is an amenable number.

61560264 is an abundant number, since it is smaller than the sum of its proper divisors (101394456).

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

61560264 is a wasteful number, since it uses less digits than its factorization.

61560264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 150909 (or 150905 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 30.

The square root of 61560264 is about 7846.0349221757. The cubic root of 61560264 is about 394.8512263526.

The spelling of 61560264 in words is "sixty-one million, five hundred sixty thousand, two hundred sixty-four".