61033156 has 12 divisors (see below), whose sum is σ = 107448768. Its totient is φ = 30333512.

The previous prime is 61033129. The next prime is 61033171. The reversal of 61033156 is 65133016.

It is a super-2 number, since 2×61033156² = 7450092262640672, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 61033156.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 45016 + ... + 46351.

It is an arithmetic number, because the mean of its divisors is an integer number (8954064).

Almost surely, 2^61033156 is an apocalyptic number.

It is an amenable number.

61033156 is a deficient number, since it is larger than the sum of its proper divisors (46415612).

61033156 is a wasteful number, since it uses less digits than its factorization.

61033156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91538 (or 91536 counting only the distinct ones).

The product of its (nonzero) digits is 1620, while the sum is 25.

The square root of 61033156 is about 7812.3719829511. The cubic root of 61033156 is about 393.7210269771.

The spelling of 61033156 in words is "sixty-one million, thirty-three thousand, one hundred fifty-six".