166616902046 has 32 divisors (see below), whose sum is σ = 318348092160. Its totient is φ = 63669614976.

The previous prime is 166616902033. The next prime is 166616902057. The reversal of 166616902046 is 640209616661.

166616902046 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×166616902046² (a number of 23 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, 18418400 + ... + 18427443.

It is an arithmetic number, because the mean of its divisors is an integer number (9948377880).

Almost surely, 2^166616902046 is an apocalyptic number.

166616902046 is a deficient number, since it is larger than the sum of its proper divisors (151731190114).

166616902046 is a wasteful number, since it uses less digits than its factorization.

166616902046 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36845888.

The product of its (nonzero) digits is 559872, while the sum is 47.

The spelling of 166616902046 in words is "one hundred sixty-six billion, six hundred sixteen million, nine hundred two thousand, forty-six".