16556791190 has 16 divisors (see below), whose sum is σ = 29806609392. Its totient is φ = 6621741984.

The previous prime is 16556791183. The next prime is 16556791213. The reversal of 16556791190 is 9119765561.

It is a super-2 number, since 2×16556791190² (a number of 21 digits) contains 22 as substring.

It is a congruent 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, 48344 + ... + 188283.

It is an arithmetic number, because the mean of its divisors is an integer number (1862913087).

Almost surely, 2^16556791190 is an apocalyptic number.

16556791190 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

16556791190 is a deficient number, since it is larger than the sum of its proper divisors (13249818202).

16556791190 is a wasteful number, since it uses less digits than its factorization.

16556791190 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 243631.

The product of its (nonzero) digits is 510300, while the sum is 50.

The spelling of 16556791190 in words is "sixteen billion, five hundred fifty-six million, seven hundred ninety-one thousand, one hundred ninety".