61163764 has 12 divisors (see below), whose sum is σ = 108634624. Its totient is φ = 30125304.

The previous prime is 61163747. The next prime is 61163777. The reversal of 61163764 is 46736116.

61163764 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a hoax number, since the sum of its digits (34) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 113844 + ... + 114379.

Almost surely, 2^61163764 is an apocalyptic number.

It is an amenable number.

61163764 is a deficient number, since it is larger than the sum of its proper divisors (47470860).

61163764 is a wasteful number, since it uses less digits than its factorization.

61163764 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 228294 (or 228292 counting only the distinct ones).

The product of its digits is 18144, while the sum is 34.

The square root of 61163764 is about 7820.7265647125. The cubic root of 61163764 is about 394.0016748621.

The spelling of 61163764 in words is "sixty-one million, one hundred sixty-three thousand, seven hundred sixty-four".