166023661611302 has 32 divisors (see below), whose sum is σ = 273782290044960. Its totient is φ = 74881679365120.

The previous prime is 166023661611259. The next prime is 166023661611347. The reversal of 166023661611302 is 203116166320661.

It is a super-2 number, since 2×166023661611302² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

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, 40913003 + ... + 44787510.

It is an arithmetic number, because the mean of its divisors is an integer number (8555696563905).

Almost surely, 2^{166023661611302} is an apocalyptic number.

166023661611302 is a deficient number, since it is larger than the sum of its proper divisors (107758628433658).

166023661611302 is a wasteful number, since it uses less digits than its factorization.

166023661611302 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85701208.

The product of its (nonzero) digits is 279936, while the sum is 44.

The spelling of 166023661611302 in words is "one hundred sixty-six trillion, twenty-three billion, six hundred sixty-one million, six hundred eleven thousand, three hundred two".