75355765165 has 16 divisors (see below), whose sum is σ = 92563644096. Its totient is φ = 58861152000.

The previous prime is 75355765153. The next prime is 75355765217. The reversal of 75355765165 is 56156755357.

It is not a de Polignac number, because 75355765165 - 2¹⁷ = 75355634093 is a prime.

It is a Duffinian number.

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, 539650 + ... + 664780.

It is an arithmetic number, because the mean of its divisors is an integer number (5785227756).

Almost surely, 2^75355765165 is an apocalyptic number.

It is an amenable number.

75355765165 is a deficient number, since it is larger than the sum of its proper divisors (17207878931).

75355765165 is a wasteful number, since it uses less digits than its factorization.

75355765165 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127980.

The product of its digits is 16537500, while the sum is 55.

The spelling of 75355765165 in words is "seventy-five billion, three hundred fifty-five million, seven hundred sixty-five thousand, one hundred sixty-five".