165546304625412 has 48 divisors (see below), whose sum is σ = 429195177532800. Its totient is φ = 55181965972320.

The previous prime is 165546304625411. The next prime is 165546304625453. The reversal of 165546304625412 is 214526403645561.

165546304625412 is a `hidden beast` number, since 1 + 6 + 5 + 5 + 4 + 6 + 3 + 0 + 4 + 625 + 4 + 1 + 2 = 666.

It is a hoax number, since the sum of its digits (54) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is not an unprimeable number, because it can be changed into a prime (165546304625411) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 48491362 + ... + 51792902.

It is an arithmetic number, because the mean of its divisors is an integer number (8941566198600).

Almost surely, 2^{165546304625412} is an apocalyptic number.

165546304625412 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

165546304625412 is an abundant number, since it is smaller than the sum of its proper divisors (263648872907388).

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

165546304625412 is a wasteful number, since it uses less digits than its factorization.

165546304625412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3765833 (or 3765825 counting only the distinct ones).

The product of its (nonzero) digits is 20736000, while the sum is 54.

The spelling of 165546304625412 in words is "one hundred sixty-five trillion, five hundred forty-six billion, three hundred four million, six hundred twenty-five thousand, four hundred twelve".