16506570094 has 32 divisors (see below), whose sum is σ = 28378893312. Its totient is φ = 7053804000.

The previous prime is 16506570077. The next prime is 16506570109. The reversal of 16506570094 is 49007560561.

It is a self number, because there is not a number n which added to its sum of digits gives 16506570094.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13408459 + ... + 13409689.

It is an arithmetic number, because the mean of its divisors is an integer number (886840416).

Almost surely, 2^16506570094 is an apocalyptic number.

16506570094 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

16506570094 is a deficient number, since it is larger than the sum of its proper divisors (11872323218).

16506570094 is a wasteful number, since it uses less digits than its factorization.

16506570094 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3232.

The product of its (nonzero) digits is 226800, while the sum is 43.

The spelling of 16506570094 in words is "sixteen billion, five hundred six million, five hundred seventy thousand, ninety-four".