61616356 has 24 divisors (see below), whose sum is σ = 114113664. Its totient is φ = 29050560.

The previous prime is 61616353. The next prime is 61616371. The reversal of 61616356 is 65361616.

It is a hoax number, since the sum of its digits (34) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (61616353) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1816 + ... + 11248.

It is an arithmetic number, because the mean of its divisors is an integer number (4754736).

Almost surely, 2^61616356 is an apocalyptic number.

It is an amenable number.

61616356 is a deficient number, since it is larger than the sum of its proper divisors (52497308).

61616356 is a wasteful number, since it uses less digits than its factorization.

61616356 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9531 (or 9529 counting only the distinct ones).

The product of its digits is 19440, while the sum is 34.

The square root of 61616356 is about 7849.6086526654. The cubic root of 61616356 is about 394.9711157643.

The spelling of 61616356 in words is "sixty-one million, six hundred sixteen thousand, three hundred fifty-six".