166326000780 has 48 divisors (see below), whose sum is σ = 465745996800. Its totient is φ = 44350438848.

The previous prime is 166326000769. The next prime is 166326000793. The reversal of 166326000780 is 87000623661.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 820747 + ... + 1003133.

It is an arithmetic number, because the mean of its divisors is an integer number (9703041600).

Almost surely, 2^166326000780 is an apocalyptic number.

166326000780 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

166326000780 is an abundant number, since it is smaller than the sum of its proper divisors (299419996020).

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

166326000780 is a wasteful number, since it uses less digits than its factorization.

166326000780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 197598 (or 197596 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 39.

The spelling of 166326000780 in words is "one hundred sixty-six billion, three hundred twenty-six million, seven hundred eighty", and thus it is an aban number.