64116738 has 64 divisors (see below), whose sum is σ = 168480000. Its totient is φ = 17684352.

The previous prime is 64116683. The next prime is 64116761. The reversal of 64116738 is 83761146.

64116738 is a `hidden beast` number, since 641 + 1 + 6 + 7 + 3 + 8 = 666.

It is a super-2 number, since 2×64116738² = 8221912183521288, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8038 + ... + 13886.

It is an arithmetic number, because the mean of its divisors is an integer number (2632500).

Almost surely, 2^64116738 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 64116738, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (84240000).

64116738 is an abundant number, since it is smaller than the sum of its proper divisors (104363262).

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

64116738 is a wasteful number, since it uses less digits than its factorization.

64116738 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5896 (or 5890 counting only the distinct ones).

The product of its digits is 24192, while the sum is 36.

The square root of 64116738 is about 8007.2928009409. The cubic root of 64116738 is about 400.2430564457.

The spelling of 64116738 in words is "sixty-four million, one hundred sixteen thousand, seven hundred thirty-eight".