64616496 has 120 divisors (see below), whose sum is σ = 197112384. Its totient is φ = 18184320.

The previous prime is 64616479. The next prime is 64616501. The reversal of 64616496 is 69461646.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 195051 + ... + 195381.

Almost surely, 2^64616496 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 64616496, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (98556192).

64616496 is an abundant number, since it is smaller than the sum of its proper divisors (132495888).

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

64616496 is a wasteful number, since it uses less digits than its factorization.

64616496 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 439 (or 426 counting only the distinct ones).

The product of its digits is 186624, while the sum is 42.

The square root of 64616496 is about 8038.4386543657. The cubic root of 64616496 is about 401.2802646013.

The spelling of 64616496 in words is "sixty-four million, six hundred sixteen thousand, four hundred ninety-six".