166356040345344 has 108 divisors (see below), whose sum is σ = 480161784866400. Its totient is φ = 55392322732032.

The previous prime is 166356040345307. The next prime is 166356040345361. The reversal of 166356040345344 is 443543040653661.

166356040345344 is a `hidden beast` number, since 1 + 6 + 6 + 3 + 5 + 60 + 40 + 3 + 4 + 534 + 4 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 36720264 + ... + 41001095.

Almost surely, 2^{166356040345344} is an apocalyptic number.

It is an amenable number.

166356040345344 is an abundant number, since it is smaller than the sum of its proper divisors (313805744521056).

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

166356040345344 is an equidigital number, since it uses as much as digits as its factorization.

166356040345344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77722310 (or 77722293 counting only the distinct ones).

The product of its (nonzero) digits is 37324800, while the sum is 54.

The spelling of 166356040345344 in words is "one hundred sixty-six trillion, three hundred fifty-six billion, forty million, three hundred forty-five thousand, three hundred forty-four".