64151560 has 32 divisors (see below), whose sum is σ = 157464000. Its totient is φ = 23327680.

The previous prime is 64151537. The next prime is 64151561. The reversal of 64151560 is 6515146.

It is not an unprimeable number, because it can be changed into a prime (64151561) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 72460 + ... + 73339.

It is an arithmetic number, because the mean of its divisors is an integer number (4920750).

Almost surely, 2^64151560 is an apocalyptic number.

It is an amenable number.

64151560 is an abundant number, since it is smaller than the sum of its proper divisors (93312440).

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

64151560 is a wasteful number, since it uses less digits than its factorization.

64151560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145821 (or 145817 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 28.

The square root of 64151560 is about 8009.4668986144. The cubic root of 64151560 is about 400.3155010822.

The spelling of 64151560 in words is "sixty-four million, one hundred fifty-one thousand, five hundred sixty".