16117779562 has 16 divisors (see below), whose sum is σ = 24514483392. Its totient is φ = 7947064800.

The previous prime is 16117779551. The next prime is 16117779571. The reversal of 16117779562 is 26597771161.

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, 153408 + ... + 236155.

It is an arithmetic number, because the mean of its divisors is an integer number (1532155212).

Almost surely, 2^16117779562 is an apocalyptic number.

16117779562 is a deficient number, since it is larger than the sum of its proper divisors (8396703830).

16117779562 is a wasteful number, since it uses less digits than its factorization.

16117779562 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 389853.

The product of its digits is 1111320, while the sum is 52.

The spelling of 16117779562 in words is "sixteen billion, one hundred seventeen million, seven hundred seventy-nine thousand, five hundred sixty-two".