166354462615 has 32 divisors (see below), whose sum is σ = 220837522752. Its totient is φ = 119283840000.

The previous prime is 166354462607. The next prime is 166354462621. The reversal of 166354462615 is 516264453661.

It is not a de Polignac number, because 166354462615 - 2³ = 166354462607 is a prime.

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, 14211265 + ... + 14222965.

It is an arithmetic number, because the mean of its divisors is an integer number (6901172586).

Almost surely, 2^166354462615 is an apocalyptic number.

166354462615 is a deficient number, since it is larger than the sum of its proper divisors (54483060137).

166354462615 is a wasteful number, since it uses less digits than its factorization.

166354462615 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15331.

The product of its digits is 3110400, while the sum is 49.

The spelling of 166354462615 in words is "one hundred sixty-six billion, three hundred fifty-four million, four hundred sixty-two thousand, six hundred fifteen".