64430342157165 has 16 divisors (see below), whose sum is σ = 103285657497408. Its totient is φ = 34297145801856.

The previous prime is 64430342157157. The next prime is 64430342157217. The reversal of 64430342157165 is 56175124303446.

It is not a de Polignac number, because 64430342157165 - 2³ = 64430342157157 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4106451184 + ... + 4106466873.

It is an arithmetic number, because the mean of its divisors is an integer number (6455353593588).

Almost surely, 2^{64430342157165} is an apocalyptic number.

It is an amenable number.

64430342157165 is a deficient number, since it is larger than the sum of its proper divisors (38855315340243).

64430342157165 is a wasteful number, since it uses less digits than its factorization.

64430342157165 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8212918588.

The product of its (nonzero) digits is 7257600, while the sum is 51.

The spelling of 64430342157165 in words is "sixty-four trillion, four hundred thirty billion, three hundred forty-two million, one hundred fifty-seven thousand, one hundred sixty-five".