166884248832 has 72 divisors (see below), whose sum is σ = 507606273216. Its totient is φ = 47681212416.

The previous prime is 166884248819. The next prime is 166884248837. The reversal of 166884248832 is 238842488661.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (166884248837) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15515853 + ... + 15526604.

It is an arithmetic number, because the mean of its divisors is an integer number (7050087128).

Almost surely, 2^166884248832 is an apocalyptic number.

166884248832 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

166884248832 is an abundant number, since it is smaller than the sum of its proper divisors (340722024384).

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

166884248832 is an equidigital number, since it uses as much as digits as its factorization.

166884248832 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31042483 (or 31042469 counting only the distinct ones).

The product of its digits is 28311552, while the sum is 60.

The spelling of 166884248832 in words is "one hundred sixty-six billion, eight hundred eighty-four million, two hundred forty-eight thousand, eight hundred thirty-two".