66151464456 has 128 divisors (see below), whose sum is σ = 217038412800. Its totient is φ = 16277863680.

The previous prime is 66151464439. The next prime is 66151464469. The reversal of 66151464456 is 65446415166.

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, 906895 + ... + 977118.

It is an arithmetic number, because the mean of its divisors is an integer number (1695612600).

Almost surely, 2^66151464456 is an apocalyptic number.

66151464456 is a gapful number since it is divisible by the number (66) formed by its first and last digit.

It is an amenable number.

66151464456 is an abundant number, since it is smaller than the sum of its proper divisors (150886948344).

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

66151464456 is a wasteful number, since it uses less digits than its factorization.

66151464456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1884059 (or 1884055 counting only the distinct ones).

The product of its digits is 2073600, while the sum is 48.

The spelling of 66151464456 in words is "sixty-six billion, one hundred fifty-one million, four hundred sixty-four thousand, four hundred fifty-six".