61416868 has 6 divisors (see below), whose sum is σ = 107479526. Its totient is φ = 30708432.

The previous prime is 61416863. The next prime is 61416881. The reversal of 61416868 is 86861416.

It can be written as a sum of positive squares in only one way, i.e., 53699584 + 7717284 = 7328^2 + 2778^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 61416868.

It is not an unprimeable number, because it can be changed into a prime (61416863) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7677105 + ... + 7677112.

Almost surely, 2^61416868 is an apocalyptic number.

It is an amenable number.

61416868 is a deficient number, since it is larger than the sum of its proper divisors (46062658).

61416868 is a wasteful number, since it uses less digits than its factorization.

61416868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15354221 (or 15354219 counting only the distinct ones).

The product of its digits is 55296, while the sum is 40.

The square root of 61416868 is about 7836.8914755788. The cubic root of 61416868 is about 394.5444044808.

The spelling of 61416868 in words is "sixty-one million, four hundred sixteen thousand, eight hundred sixty-eight".