166842736 has 20 divisors (see below), whose sum is σ = 337313232. Its totient is φ = 79794176.

The previous prime is 166842733. The next prime is 166842751. The reversal of 166842736 is 637248661.

166842736 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 166842692 and 166842701.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (166842733) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 226321 + ... + 227056.

Almost surely, 2^166842736 is an apocalyptic number.

166842736 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

166842736 is an abundant number, since it is smaller than the sum of its proper divisors (170470496).

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

166842736 is a wasteful number, since it uses less digits than its factorization.

166842736 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 453408 (or 453402 counting only the distinct ones).

The product of its digits is 290304, while the sum is 43.

The square root of 166842736 is about 12916.7618233054. The cubic root of 166842736 is about 550.5149293249.

The spelling of 166842736 in words is "one hundred sixty-six million, eight hundred forty-two thousand, seven hundred thirty-six".