16557962242 has 8 divisors (see below), whose sum is σ = 24886322496. Its totient is φ = 8262521412.

The previous prime is 16557962237. The next prime is 16557962251. The reversal of 16557962242 is 24226975561.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×16557962242² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8228598 + ... + 8230609.

It is an arithmetic number, because the mean of its divisors is an integer number (3110790312).

Almost surely, 2^16557962242 is an apocalyptic number.

16557962242 is a deficient number, since it is larger than the sum of its proper divisors (8328360254).

16557962242 is a wasteful number, since it uses less digits than its factorization.

16557962242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16459712.

The product of its digits is 1814400, while the sum is 49.

The spelling of 16557962242 in words is "sixteen billion, five hundred fifty-seven million, nine hundred sixty-two thousand, two hundred forty-two".