166550702151 has 16 divisors (see below), whose sum is σ = 233798768640. Its totient is φ = 105170388480.

The previous prime is 166550702117. The next prime is 166550702203. The reversal of 166550702151 is 151207055661.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-166550702151 is a prime.

It is a super-2 number, since 2×166550702151² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (166550702051) 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, 41626 + ... + 578648.

It is an arithmetic number, because the mean of its divisors is an integer number (14612423040).

Almost surely, 2^166550702151 is an apocalyptic number.

166550702151 is a deficient number, since it is larger than the sum of its proper divisors (67248066489).

166550702151 is a wasteful number, since it uses less digits than its factorization.

166550702151 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 542486.

The product of its (nonzero) digits is 63000, while the sum is 39.

The spelling of 166550702151 in words is "one hundred sixty-six billion, five hundred fifty million, seven hundred two thousand, one hundred fifty-one".