61164396 has 30 divisors (see below), whose sum is σ = 159896660. Its totient is φ = 20388024.

The previous prime is 61164379. The next prime is 61164421. The reversal of 61164396 is 69346116.

61164396 is a `hidden beast` number, since 6 + 1 + 1 + 643 + 9 + 6 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a nude number because it is divisible by every one of its digits.

It is a self number, because there is not a number n which added to its sum of digits gives 61164396.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 94066 + ... + 94713.

Almost surely, 2^61164396 is an apocalyptic number.

It is an amenable number.

61164396 is an abundant number, since it is smaller than the sum of its proper divisors (98732264).

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

61164396 is a wasteful number, since it uses less digits than its factorization.

61164396 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 188795 (or 188784 counting only the distinct ones).

The product of its digits is 23328, while the sum is 36.

The square root of 61164396 is about 7820.7669700612. The cubic root of 61164396 is about 394.0030319194.

The spelling of 61164396 in words is "sixty-one million, one hundred sixty-four thousand, three hundred ninety-six".