64464166402 has 8 divisors (see below), whose sum is σ = 97312149756. Its totient is φ = 32026783152.

The previous prime is 64464166369. The next prime is 64464166499. The reversal of 64464166402 is 20466146446.

It can be written as a sum of positive squares in 2 ways, for example, as 64060116201 + 404050201 = 253101^2 + 20101^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 102649633 + ... + 102650260.

Almost surely, 2^64464166402 is an apocalyptic number.

64464166402 is a deficient number, since it is larger than the sum of its proper divisors (32847983354).

64464166402 is a wasteful number, since it uses less digits than its factorization.

64464166402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 205300052.

The product of its (nonzero) digits is 663552, while the sum is 43.

The spelling of 64464166402 in words is "sixty-four billion, four hundred sixty-four million, one hundred sixty-six thousand, four hundred two".