64464166400 has 60 divisors (see below), whose sum is σ = 159715040232. Its totient is φ = 25785661440.

The previous prime is 64464166369. The next prime is 64464166499. The reversal of 64464166400 is 466146446.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2505332 + ... + 2530931.

Almost surely, 2^64464166400 is an apocalyptic number.

It is an amenable number.

64464166400 is an abundant number, since it is smaller than the sum of its proper divisors (95250873832).

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

64464166400 is an equidigital number, since it uses as much as digits as its factorization.

64464166400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5036291 (or 5036270 counting only the distinct ones).

The product of its (nonzero) digits is 331776, while the sum is 41.

The spelling of 64464166400 in words is "sixty-four billion, four hundred sixty-four million, one hundred sixty-six thousand, four hundred".