61612 has 12 divisors (see below), whose sum is σ = 109816. Its totient is φ = 30240.

The previous prime is 61609. The next prime is 61613. The reversal of 61612 is 21616.

61612 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 (16) coincides with the sum of the digits of its distinct prime factors.

It is an alternating number because its digits alternate between even and odd.

It is not an unprimeable number, because it can be changed into a prime (61613) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 187 + ... + 397.

2⁶¹⁶¹² is an apocalyptic number.

It is an amenable number.

61612 is a deficient number, since it is larger than the sum of its proper divisors (48204).

61612 is a wasteful number, since it uses less digits than its factorization.

61612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 288 (or 286 counting only the distinct ones).

The product of its digits is 72, while the sum is 16.

The square root of 61612 is about 248.2176464315. The cubic root of 61612 is about 39.4961807983.

The spelling of 61612 in words is "sixty-one thousand, six hundred twelve".