166356192560 has 40 divisors (see below), whose sum is σ = 389823668736. Its totient is φ = 66018516480.

The previous prime is 166356192559. The next prime is 166356192593. The reversal of 166356192560 is 65291653661.

166356192560 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (40).

It is a junction number, because it is equal to n+sod(n) for n = 166356192499 and 166356192508.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8176661 + ... + 8196980.

Almost surely, 2^166356192560 is an apocalyptic number.

166356192560 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

166356192560 is an abundant number, since it is smaller than the sum of its proper divisors (223467476176).

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

166356192560 is a wasteful number, since it uses less digits than its factorization.

166356192560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16373781 (or 16373775 counting only the distinct ones).

The product of its (nonzero) digits is 1749600, while the sum is 50.

The spelling of 166356192560 in words is "one hundred sixty-six billion, three hundred fifty-six million, one hundred ninety-two thousand, five hundred sixty".