61164963 has 40 divisors (see below), whose sum is σ = 99090288. Its totient is φ = 37449216.

The previous prime is 61164937. The next prime is 61164967. The reversal of 61164963 is 36946116.

61164963 is a `hidden beast` number, since 6 + 1 + 1 + 649 + 6 + 3 = 666.

It is not a de Polignac number, because 61164963 - 2⁸ = 61164707 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61164967) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 58695 + ... + 59727.

Almost surely, 2^61164963 is an apocalyptic number.

61164963 is a deficient number, since it is larger than the sum of its proper divisors (37925325).

61164963 is a wasteful number, since it uses less digits than its factorization.

61164963 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1105 (or 1096 counting only the distinct ones).

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

The square root of 61164963 is about 7820.8032196188. The cubic root of 61164963 is about 394.0042493980.

The spelling of 61164963 in words is "sixty-one million, one hundred sixty-four thousand, nine hundred sixty-three".