166622264533 has 8 divisors (see below), whose sum is σ = 167886936000. Its totient is φ = 165358295520.

The previous prime is 166622264503. The next prime is 166622264609. The reversal of 166622264533 is 335462226661.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 166622264533 - 2²¹ = 166620167381 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 (166622264503) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 305568 + ... + 653158.

It is an arithmetic number, because the mean of its divisors is an integer number (20985867000).

Almost surely, 2^166622264533 is an apocalyptic number.

It is an amenable number.

166622264533 is a deficient number, since it is larger than the sum of its proper divisors (1264671467).

166622264533 is a wasteful number, since it uses less digits than its factorization.

166622264533 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 351227.

The product of its digits is 1866240, while the sum is 46.

The spelling of 166622264533 in words is "one hundred sixty-six billion, six hundred twenty-two million, two hundred sixty-four thousand, five hundred thirty-three".