64611620264346 has 8 divisors (see below), whose sum is σ = 129223240528704. Its totient is φ = 21537206754780.

The previous prime is 64611620264297. The next prime is 64611620264381. The reversal of 64611620264346 is 64346202611646.

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

64611620264346 is an admirable number.

It is a super-2 number, since 2×64611620264346² (a number of 28 digits) contains 22 as substring.

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, 5384301688690 + ... + 5384301688701.

It is an arithmetic number, because the mean of its divisors is an integer number (16152905066088).

Almost surely, 2^{64611620264346} is an apocalyptic number.

64611620264346 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

64611620264346 is a wasteful number, since it uses less digits than its factorization.

64611620264346 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10768603377396.

The product of its (nonzero) digits is 5971968, while the sum is 51.

The spelling of 64611620264346 in words is "sixty-four trillion, six hundred eleven billion, six hundred twenty million, two hundred sixty-four thousand, three hundred forty-six".