64496016 has 120 divisors (see below), whose sum is σ = 196612416. Its totient is φ = 19618560.

The previous prime is 64495987. The next prime is 64496021. The reversal of 64496016 is 61069446.

64496016 is a `hidden beast` number, since 6 + 4 + 49 + 601 + 6 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

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, 245101 + ... + 245363.

Almost surely, 2^64496016 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 64496016, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (98306208).

64496016 is an abundant number, since it is smaller than the sum of its proper divisors (132116400).

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

64496016 is a wasteful number, since it uses less digits than its factorization.

64496016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 421 (or 412 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 36.

The square root of 64496016 is about 8030.9411652682. The cubic root of 64496016 is about 401.0307084855.

The spelling of 64496016 in words is "sixty-four million, four hundred ninety-six thousand, sixteen".