64601326446 has 16 divisors (see below), whose sum is σ = 129494312064. Its totient is φ = 21485165624.

The previous prime is 64601326441. The next prime is 64601326487. The reversal of 64601326446 is 64462310646.

It is a junction number, because it is equal to n+sod(n) for n = 64601326398 and 64601326407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64601326441) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12149586 + ... + 12154901.

It is an arithmetic number, because the mean of its divisors is an integer number (8093394504).

Almost surely, 2^64601326446 is an apocalyptic number.

64601326446 is an abundant number, since it is smaller than the sum of its proper divisors (64892985618).

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

64601326446 is a wasteful number, since it uses less digits than its factorization.

64601326446 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24304935.

The product of its (nonzero) digits is 497664, while the sum is 42.

The spelling of 64601326446 in words is "sixty-four billion, six hundred one million, three hundred twenty-six thousand, four hundred forty-six".