151006778866866 has 64 divisors (see below), whose sum is σ = 342809043333120. Its totient is φ = 44014988209920.

The previous prime is 151006778866859. The next prime is 151006778866871. The reversal of 151006778866866 is 668668877600151.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 629673330 + ... + 629913101.

It is an arithmetic number, because the mean of its divisors is an integer number (5356391302080).

Almost surely, 2^{151006778866866} is an apocalyptic number.

151006778866866 is an abundant number, since it is smaller than the sum of its proper divisors (191802264466254).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

151006778866866 is a wasteful number, since it uses less digits than its factorization.

151006778866866 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1259586531.

The product of its (nonzero) digits is 975421440, while the sum is 75.

The spelling of 151006778866866 in words is "one hundred fifty-one trillion, six billion, seven hundred seventy-eight million, eight hundred sixty-six thousand, eight hundred sixty-six".