156450666122 has 4 divisors (see below), whose sum is σ = 234675999186. Its totient is φ = 78225333060.

The previous prime is 156450666107. The next prime is 156450666167. The reversal of 156450666122 is 221666054651.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 147525896281 + 8924769841 = 384091^2 + 94471^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39112666529 + ... + 39112666532.

Almost surely, 2^156450666122 is an apocalyptic number.

156450666122 is a deficient number, since it is larger than the sum of its proper divisors (78225333064).

156450666122 is an equidigital number, since it uses as much as digits as its factorization.

156450666122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78225333063.

The product of its (nonzero) digits is 518400, while the sum is 44.

The spelling of 156450666122 in words is "one hundred fifty-six billion, four hundred fifty million, six hundred sixty-six thousand, one hundred twenty-two".