166210133757 has 16 divisors (see below), whose sum is σ = 225473284608. Its totient is φ = 108893294640.

The previous prime is 166210133743. The next prime is 166210133809. The reversal of 166210133757 is 757331012661.

It is not a de Polignac number, because 166210133757 - 2⁸ = 166210133501 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (166210133717) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2012563 + ... + 2093520.

It is an arithmetic number, because the mean of its divisors is an integer number (14092080288).

Almost surely, 2^166210133757 is an apocalyptic number.

It is an amenable number.

166210133757 is a deficient number, since it is larger than the sum of its proper divisors (59263150851).

166210133757 is a wasteful number, since it uses less digits than its factorization.

166210133757 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4106320.

The product of its (nonzero) digits is 158760, while the sum is 42.

The spelling of 166210133757 in words is "one hundred sixty-six billion, two hundred ten million, one hundred thirty-three thousand, seven hundred fifty-seven".