151666836867 has 24 divisors (see below), whose sum is σ = 269629933664. Its totient is φ = 80000089344.

The previous prime is 151666836851. The next prime is 151666836899. The reversal of 151666836867 is 768638666151.

It is not a de Polignac number, because 151666836867 - 2⁴ = 151666836851 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is not an unprimeable number, because it can be changed into a prime (151666836847) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 92591878 + ... + 92593515.

Almost surely, 2^151666836867 is an apocalyptic number.

151666836867 is a deficient number, since it is larger than the sum of its proper divisors (117963096797).

151666836867 is a wasteful number, since it uses less digits than its factorization.

151666836867 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 185185419 (or 185185416 counting only the distinct ones).

The product of its digits is 52254720, while the sum is 63.

The spelling of 151666836867 in words is "one hundred fifty-one billion, six hundred sixty-six million, eight hundred thirty-six thousand, eight hundred sixty-seven".