166416031603240 has 64 divisors (see below), whose sum is σ = 375710866560000. Its totient is φ = 66340147607040.

The previous prime is 166416031603219. The next prime is 166416031603243. The reversal of 166416031603240 is 42306130614661.

It is not an unprimeable number, because it can be changed into a prime (166416031603243) 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, 8874061 + ... + 20287459.

It is an arithmetic number, because the mean of its divisors is an integer number (5870482290000).

Almost surely, 2^{166416031603240} is an apocalyptic number.

166416031603240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

166416031603240 is an abundant number, since it is smaller than the sum of its proper divisors (209294834956760).

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

166416031603240 is a wasteful number, since it uses less digits than its factorization.

166416031603240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11414650 (or 11414646 counting only the distinct ones).

The product of its (nonzero) digits is 373248, while the sum is 43.

The spelling of 166416031603240 in words is "one hundred sixty-six trillion, four hundred sixteen billion, thirty-one million, six hundred three thousand, two hundred forty".