61170864 has 40 divisors (see below), whose sum is σ = 158851440. Its totient is φ = 20283648.

The previous prime is 61170859. The next prime is 61170871. The reversal of 61170864 is 46807116.

It is a happy number.

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, 6222 + ... + 12690.

It is an arithmetic number, because the mean of its divisors is an integer number (3971286).

Almost surely, 2^61170864 is an apocalyptic number.

It is an amenable number.

61170864 is an abundant number, since it is smaller than the sum of its proper divisors (97680576).

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

61170864 is a wasteful number, since it uses less digits than its factorization.

61170864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6677 (or 6671 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 33.

The square root of 61170864 is about 7821.1804735602. The cubic root of 61170864 is about 394.0169197472.

The spelling of 61170864 in words is "sixty-one million, one hundred seventy thousand, eight hundred sixty-four".