165467402459 has 4 divisors (see below), whose sum is σ = 165476400504. Its totient is φ = 165458404416.

The previous prime is 165467402393. The next prime is 165467402467. The reversal of 165467402459 is 954204764561.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 165467402459 - 2²⁰ = 165466353883 is a prime.

It is a super-2 number, since 2×165467402459² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 165467402459.

It is not an unprimeable number, because it can be changed into a prime (165467102459) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4471382 + ... + 4508235.

It is an arithmetic number, because the mean of its divisors is an integer number (41369100126).

Almost surely, 2^165467402459 is an apocalyptic number.

165467402459 is a deficient number, since it is larger than the sum of its proper divisors (8998045).

165467402459 is an equidigital number, since it uses as much as digits as its factorization.

165467402459 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8998044.

The product of its (nonzero) digits is 7257600, while the sum is 53.

The spelling of 165467402459 in words is "one hundred sixty-five billion, four hundred sixty-seven million, four hundred two thousand, four hundred fifty-nine".