16258491995 has 64 divisors (see below), whose sum is σ = 22056883200. Its totient is φ = 11451041280.

The previous prime is 16258491989. The next prime is 16258492021. The reversal of 16258491995 is 59919485261.

It is not a de Polignac number, because 16258491995 - 2¹⁰ = 16258490971 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 8410049 + ... + 8411981.

It is an arithmetic number, because the mean of its divisors is an integer number (344638800).

Almost surely, 2^16258491995 is an apocalyptic number.

16258491995 is a deficient number, since it is larger than the sum of its proper divisors (5798391205).

16258491995 is a wasteful number, since it uses less digits than its factorization.

16258491995 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2100.

The product of its digits is 6998400, while the sum is 59.

The spelling of 16258491995 in words is "sixteen billion, two hundred fifty-eight million, four hundred ninety-one thousand, nine hundred ninety-five".