64357621466541 has 32 divisors (see below), whose sum is σ = 96429597610752. Its totient is φ = 37882437964800.

The previous prime is 64357621466497. The next prime is 64357621466543. The reversal of 64357621466541 is 14566412675346.

It is not a de Polignac number, because 64357621466541 - 2⁶ = 64357621466477 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64357621466543) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 156458341 + ... + 156869141.

It is an arithmetic number, because the mean of its divisors is an integer number (3013424925336).

Almost surely, 2^{64357621466541} is an apocalyptic number.

It is an amenable number.

64357621466541 is a deficient number, since it is larger than the sum of its proper divisors (32071976144211).

64357621466541 is a wasteful number, since it uses less digits than its factorization.

64357621466541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 585493.

The product of its digits is 87091200, while the sum is 60.

The spelling of 64357621466541 in words is "sixty-four trillion, three hundred fifty-seven billion, six hundred twenty-one million, four hundred sixty-six thousand, five hundred forty-one".