64364683080181 has 16 divisors (see below), whose sum is σ = 73412835131520. Its totient is φ = 55859330211520.

The previous prime is 64364683080167. The next prime is 64364683080241. The reversal of 64364683080181 is 18108038646346.

It is not a de Polignac number, because 64364683080181 - 2⁷ = 64364683080053 is a prime.

It is a super-2 number, since 2×64364683080181² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64364686080181) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 249778750 + ... + 250036303.

It is an arithmetic number, because the mean of its divisors is an integer number (4588302195720).

Almost surely, 2^{64364683080181} is an apocalyptic number.

It is an amenable number.

64364683080181 is a deficient number, since it is larger than the sum of its proper divisors (9048152051339).

64364683080181 is a wasteful number, since it uses less digits than its factorization.

64364683080181 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 499815596.

The product of its (nonzero) digits is 15925248, while the sum is 58.

The spelling of 64364683080181 in words is "sixty-four trillion, three hundred sixty-four billion, six hundred eighty-three million, eighty thousand, one hundred eighty-one".