64604064622 has 4 divisors (see below), whose sum is σ = 96906096936. Its totient is φ = 32302032310.

The previous prime is 64604064607. The next prime is 64604064641. The reversal of 64604064622 is 22646040646.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16151016154 + ... + 16151016157.

It is an arithmetic number, because the mean of its divisors is an integer number (24226524234).

Almost surely, 2^64604064622 is an apocalyptic number.

64604064622 is a deficient number, since it is larger than the sum of its proper divisors (32302032314).

64604064622 is a wasteful number, since it uses less digits than its factorization.

64604064622 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32302032313.

The product of its (nonzero) digits is 331776, while the sum is 40.

The spelling of 64604064622 in words is "sixty-four billion, six hundred four million, sixty-four thousand, six hundred twenty-two".