64457661105330 has 16 divisors (see below), whose sum is σ = 154698386652864. Its totient is φ = 17188709628080.

The previous prime is 64457661105319. The next prime is 64457661105337. The reversal of 64457661105330 is 3350116675446.

It is not an unprimeable number, because it can be changed into a prime (64457661105337) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1074294351726 + ... + 1074294351785.

It is an arithmetic number, because the mean of its divisors is an integer number (9668649165804).

Almost surely, 2^{64457661105330} is an apocalyptic number.

64457661105330 is an abundant number, since it is smaller than the sum of its proper divisors (90240725547534).

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

64457661105330 is a wasteful number, since it uses less digits than its factorization.

64457661105330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2148588703521.

The product of its (nonzero) digits is 5443200, while the sum is 51.

The spelling of 64457661105330 in words is "sixty-four trillion, four hundred fifty-seven billion, six hundred sixty-one million, one hundred five thousand, three hundred thirty".