16229570091 has 16 divisors (see below), whose sum is σ = 24741412608. Its totient is φ = 9270050400.

The previous prime is 16229570057. The next prime is 16229570099. The reversal of 16229570091 is 19007592261.

It is not a de Polignac number, because 16229570091 - 2⁹ = 16229569579 is a prime.

It is not an unprimeable number, because it can be changed into a prime (16229570099) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 115905 + ... + 214226.

It is an arithmetic number, because the mean of its divisors is an integer number (1546338288).

Almost surely, 2^16229570091 is an apocalyptic number.

16229570091 is a deficient number, since it is larger than the sum of its proper divisors (8511842517).

16229570091 is a wasteful number, since it uses less digits than its factorization.

16229570091 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 332482.

The product of its (nonzero) digits is 68040, while the sum is 42.

The spelling of 16229570091 in words is "sixteen billion, two hundred twenty-nine million, five hundred seventy thousand, ninety-one".