166564103244 has 96 divisors (see below), whose sum is σ = 488365817856. Its totient is φ = 42922716480.

The previous prime is 166564103137. The next prime is 166564103257. The reversal of 166564103244 is 442301465661.

It is a super-3 number, since 3×166564103244³ (a number of 35 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a junction number, because it is equal to n+sod(n) for n = 166564103196 and 166564103205.

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, 592354 + ... + 827049.

It is an arithmetic number, because the mean of its divisors is an integer number (5087143936).

Almost surely, 2^166564103244 is an apocalyptic number.

166564103244 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

166564103244 is an abundant number, since it is smaller than the sum of its proper divisors (321801714612).

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

166564103244 is a wasteful number, since it uses less digits than its factorization.

166564103244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1419555 (or 1419553 counting only the distinct ones).

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

The spelling of 166564103244 in words is "one hundred sixty-six billion, five hundred sixty-four million, one hundred three thousand, two hundred forty-four".