166540000414660 has 48 divisors (see below), whose sum is σ = 354974862836160. Its totient is φ = 65617858120320.

The previous prime is 166540000414657. The next prime is 166540000414709. The reversal of 166540000414660 is 66414000045661.

It is a happy number.

It is a super-2 number, since 2×166540000414660² (a number of 29 digits) contains 22 as substring.

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, 19095051 + ... + 26414029.

It is an arithmetic number, because the mean of its divisors is an integer number (7395309642420).

Almost surely, 2^{166540000414660} is an apocalyptic number.

166540000414660 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

166540000414660 is an abundant number, since it is smaller than the sum of its proper divisors (188434862421500).

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

166540000414660 is a wasteful number, since it uses less digits than its factorization.

166540000414660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7336036 (or 7336034 counting only the distinct ones).

The product of its (nonzero) digits is 414720, while the sum is 43.

The spelling of 166540000414660 in words is "one hundred sixty-six trillion, five hundred forty billion, four hundred fourteen thousand, six hundred sixty".