166023402451260 has 48 divisors (see below), whose sum is σ = 479861189025792. Its totient is φ = 42844749019200.

The previous prime is 166023402451241. The next prime is 166023402451279. The reversal of 166023402451260 is 62154204320661.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (166023402451241) and next prime (166023402451279).

It is a super-2 number, since 2×166023402451260² (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, 44629945036 + ... + 44629948755.

It is an arithmetic number, because the mean of its divisors is an integer number (9997108104704).

Almost surely, 2^{166023402451260} is an apocalyptic number.

166023402451260 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

166023402451260 is an abundant number, since it is smaller than the sum of its proper divisors (313837786574532).

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

166023402451260 is a wasteful number, since it uses less digits than its factorization.

166023402451260 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89259893834 (or 89259893832 counting only the distinct ones).

The product of its (nonzero) digits is 414720, while the sum is 42.

The spelling of 166023402451260 in words is "one hundred sixty-six trillion, twenty-three billion, four hundred two million, four hundred fifty-one thousand, two hundred sixty".