16165759494 has 16 divisors (see below), whose sum is σ = 32332830768. Its totient is φ = 5388367872.

The previous prime is 16165759487. The next prime is 16165759517. The reversal of 16165759494 is 49495756161.

It is a happy number.

16165759494 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×16165759494² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 189334 + ... + 261110.

It is an arithmetic number, because the mean of its divisors is an integer number (2020801923).

Almost surely, 2^16165759494 is an apocalyptic number.

16165759494 is an abundant number, since it is smaller than the sum of its proper divisors (16167071274).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

16165759494 is a wasteful number, since it uses less digits than its factorization.

16165759494 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109319.

The product of its digits is 8164800, while the sum is 57.

The spelling of 16165759494 in words is "sixteen billion, one hundred sixty-five million, seven hundred fifty-nine thousand, four hundred ninety-four".