151537582666 has 8 divisors (see below), whose sum is σ = 227311105860. Its totient is φ = 75767214048.

The previous prime is 151537582663. The next prime is 151537582699. The reversal of 151537582666 is 666285735151.

151537582666 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 129834105625 + 21703477041 = 360325^2 + 147321^2 .

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

It is not an unprimeable number, because it can be changed into a prime (151537582663) 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, 664651 + ... + 863038.

Almost surely, 2^151537582666 is an apocalyptic number.

151537582666 is a deficient number, since it is larger than the sum of its proper divisors (75773523194).

151537582666 is a wasteful number, since it uses less digits than its factorization.

151537582666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1577288.

The product of its digits is 9072000, while the sum is 55.

The spelling of 151537582666 in words is "one hundred fifty-one billion, five hundred thirty-seven million, five hundred eighty-two thousand, six hundred sixty-six".