166907463733 has 4 divisors (see below), whose sum is σ = 166908815788. Its totient is φ = 166906111680.

The previous prime is 166907463719. The next prime is 166907463763. The reversal of 166907463733 is 337364709661.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 108308126404 + 58599337329 = 329102^2 + 242073^2 .

It is a cyclic number.

It is not a de Polignac number, because 166907463733 - 2³⁷ = 29468510261 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (166907463763) 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, 469908 + ... + 744733.

It is an arithmetic number, because the mean of its divisors is an integer number (41727203947).

Almost surely, 2^166907463733 is an apocalyptic number.

It is an amenable number.

166907463733 is a deficient number, since it is larger than the sum of its proper divisors (1352055).

166907463733 is a wasteful number, since it uses less digits than its factorization.

166907463733 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1352054.

The product of its (nonzero) digits is 10287648, while the sum is 55.

The spelling of 166907463733 in words is "one hundred sixty-six billion, nine hundred seven million, four hundred sixty-three thousand, seven hundred thirty-three".