165490779348 has 72 divisors (see below), whose sum is σ = 448515737600. Its totient is φ = 52765157808.

The previous prime is 165490779299. The next prime is 165490779397. The reversal of 165490779348 is 843977094561.

165490779348 is a `hidden beast` number, since 16 + 5 + 490 + 7 + 7 + 93 + 48 = 666.

It is an interprime number because it is at equal distance from previous prime (165490779299) and next prime (165490779397).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1391188 + ... + 1505451.

Almost surely, 2^165490779348 is an apocalyptic number.

165490779348 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

165490779348 is an abundant number, since it is smaller than the sum of its proper divisors (283024958252).

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

165490779348 is a wasteful number, since it uses less digits than its factorization.

165490779348 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2896698 (or 2896667 counting only the distinct ones).

The product of its (nonzero) digits is 45722880, while the sum is 63.

The spelling of 165490779348 in words is "one hundred sixty-five billion, four hundred ninety million, seven hundred seventy-nine thousand, three hundred forty-eight".