1556161524122 has 16 divisors (see below), whose sum is σ = 2363732189280. Its totient is φ = 768298168368.

The previous prime is 1556161524107. The next prime is 1556161524149. The reversal of 1556161524122 is 2214251616551.

It is a self number, because there is not a number n which added to its sum of digits gives 1556161524122.

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, 11777597 + ... + 11908992.

It is an arithmetic number, because the mean of its divisors is an integer number (147733261830).

Almost surely, 2^{1556161524122} is an apocalyptic number.

1556161524122 is a deficient number, since it is larger than the sum of its proper divisors (807570665158).

1556161524122 is a wasteful number, since it uses less digits than its factorization.

1556161524122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23687005.

The product of its digits is 144000, while the sum is 41.

The spelling of 1556161524122 in words is "one trillion, five hundred fifty-six billion, one hundred sixty-one million, five hundred twenty-four thousand, one hundred twenty-two".