64626606604622 has 4 divisors (see below), whose sum is σ = 96939909906936. Its totient is φ = 32313303302310.

The previous prime is 64626606604621. The next prime is 64626606604631. The reversal of 64626606604622 is 22640660662646.

64626606604622 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a super-2 number, since 2×64626606604622² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64626606604621) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16156651651154 + ... + 16156651651157.

It is an arithmetic number, because the mean of its divisors is an integer number (24234977476734).

Almost surely, 2^{64626606604622} is an apocalyptic number.

64626606604622 is a deficient number, since it is larger than the sum of its proper divisors (32313303302314).

64626606604622 is a wasteful number, since it uses less digits than its factorization.

64626606604622 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32313303302313.

The product of its (nonzero) digits is 35831808, while the sum is 56.

The spelling of 64626606604622 in words is "sixty-four trillion, six hundred twenty-six billion, six hundred six million, six hundred four thousand, six hundred twenty-two".