61516156 has 12 divisors (see below), whose sum is σ = 115934392. Its totient is φ = 28392048.

The previous prime is 61516153. The next prime is 61516157. The reversal of 61516156 is 65161516.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61516153) 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, 591450 + ... + 591553.

Almost surely, 2^61516156 is an apocalyptic number.

It is an amenable number.

61516156 is a deficient number, since it is larger than the sum of its proper divisors (54418236).

61516156 is a wasteful number, since it uses less digits than its factorization.

61516156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1183020 (or 1183018 counting only the distinct ones).

The product of its digits is 5400, while the sum is 31.

The square root of 61516156 is about 7843.2235719760. The cubic root of 61516156 is about 394.7569000346.

The spelling of 61516156 in words is "sixty-one million, five hundred sixteen thousand, one hundred fifty-six".