151515556066 has 16 divisors (see below), whose sum is σ = 259773885504. Its totient is φ = 64927005264.

The previous prime is 151515556037. The next prime is 151515556091. The reversal of 151515556066 is 660655515151.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 571060 + ... + 793183.

It is an arithmetic number, because the mean of its divisors is an integer number (16235867844).

Almost surely, 2^151515556066 is an apocalyptic number.

151515556066 is a deficient number, since it is larger than the sum of its proper divisors (108258329438).

151515556066 is a wasteful number, since it uses less digits than its factorization.

151515556066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1372185.

The product of its (nonzero) digits is 675000, while the sum is 46.

The spelling of 151515556066 in words is "one hundred fifty-one billion, five hundred fifteen million, five hundred fifty-six thousand, sixty-six".