166016166415 has 32 divisors (see below), whose sum is σ = 220564933632. Its totient is φ = 118944672000.

The previous prime is 166016166403. The next prime is 166016166469. The reversal of 166016166415 is 514661610661.

It is not a de Polignac number, because 166016166415 - 2⁵ = 166016166383 is a prime.

It is a super-2 number, since 2×166016166415² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5142414 + ... + 5174596.

It is an arithmetic number, because the mean of its divisors is an integer number (6892654176).

Almost surely, 2^166016166415 is an apocalyptic number.

166016166415 is a deficient number, since it is larger than the sum of its proper divisors (54548767217).

166016166415 is a wasteful number, since it uses less digits than its factorization.

166016166415 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33591.

The product of its (nonzero) digits is 155520, while the sum is 43.

The spelling of 166016166415 in words is "one hundred sixty-six billion, sixteen million, one hundred sixty-six thousand, four hundred fifteen".