61162506 has 16 divisors (see below), whose sum is σ = 135916800. Its totient is φ = 20387484.

The previous prime is 61162489. The next prime is 61162513. The reversal of 61162506 is 60526116.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a self number, because there is not a number n which added to its sum of digits gives 61162506.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 566266 + ... + 566373.

It is an arithmetic number, because the mean of its divisors is an integer number (8494800).

Almost surely, 2^61162506 is an apocalyptic number.

61162506 is an abundant number, since it is smaller than the sum of its proper divisors (74754294).

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

61162506 is a wasteful number, since it uses less digits than its factorization.

61162506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1132650 (or 1132644 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 27.

The square root of 61162506 is about 7820.6461369889. The cubic root of 61162506 is about 393.9989736031.

The spelling of 61162506 in words is "sixty-one million, one hundred sixty-two thousand, five hundred six".