61016634 has 24 divisors (see below), whose sum is σ = 151089120. Its totient is φ = 17433288.

The previous prime is 61016633. The next prime is 61016639. The reversal of 61016634 is 43661016.

61016634 is a `hidden beast` number, since 6 + 10 + 16 + 634 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 61016598 and 61016607.

It is not an unprimeable number, because it can be changed into a prime (61016633) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 242004 + ... + 242255.

It is an arithmetic number, because the mean of its divisors is an integer number (6295380).

Almost surely, 2^61016634 is an apocalyptic number.

61016634 is an abundant number, since it is smaller than the sum of its proper divisors (90072486).

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

61016634 is a wasteful number, since it uses less digits than its factorization.

61016634 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 484274 (or 484271 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 27.

The square root of 61016634 is about 7811.3144860516. The cubic root of 61016634 is about 393.6854963120.

The spelling of 61016634 in words is "sixty-one million, sixteen thousand, six hundred thirty-four".