166294107456 has 112 divisors (see below), whose sum is σ = 447269616000. Its totient is φ = 54518095872.

The previous prime is 166294107431. The next prime is 166294107487. The reversal of 166294107456 is 654701492661.

It is a happy number.

It is a hoax number, since the sum of its digits (51) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 166294107399 and 166294107408.

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, 5015220 + ... + 5048268.

Almost surely, 2^166294107456 is an apocalyptic number.

166294107456 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 166294107456, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (223634808000).

166294107456 is an abundant number, since it is smaller than the sum of its proper divisors (280975508544).

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

166294107456 is a wasteful number, since it uses less digits than its factorization.

166294107456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33496 (or 33486 counting only the distinct ones).

The product of its (nonzero) digits is 2177280, while the sum is 51.

The spelling of 166294107456 in words is "one hundred sixty-six billion, two hundred ninety-four million, one hundred seven thousand, four hundred fifty-six".