64420160 has 56 divisors (see below), whose sum is σ = 175320960. Its totient is φ = 22086144.

The previous prime is 64420159. The next prime is 64420207. The reversal of 64420160 is 6102446.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (56).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12140 + ... + 16619.

Almost surely, 2^64420160 is an apocalyptic number.

It is an amenable number.

64420160 is an abundant number, since it is smaller than the sum of its proper divisors (110900800).

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

64420160 is a wasteful number, since it uses less digits than its factorization.

64420160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28783 (or 28773 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 23.

The square root of 64420160 is about 8026.2170416704. The cubic root of 64420160 is about 400.8734247681.

The spelling of 64420160 in words is "sixty-four million, four hundred twenty thousand, one hundred sixty".