16156513453 has 16 divisors (see below), whose sum is σ = 16665111936. Its totient is φ = 15654300480.

The previous prime is 16156513433. The next prime is 16156513493. The reversal of 16156513453 is 35431565161.

It is a cyclic number.

It is not a de Polignac number, because 16156513453 - 2⁵ = 16156513421 is a prime.

It is a super-2 number, since 2×16156513453² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16156513403) 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, 5014383 + ... + 5017603.

It is an arithmetic number, because the mean of its divisors is an integer number (1041569496).

Almost surely, 2^16156513453 is an apocalyptic number.

It is an amenable number.

16156513453 is a deficient number, since it is larger than the sum of its proper divisors (508598483).

16156513453 is a wasteful number, since it uses less digits than its factorization.

16156513453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4164.

The product of its digits is 162000, while the sum is 40.

The spelling of 16156513453 in words is "sixteen billion, one hundred fifty-six million, five hundred thirteen thousand, four hundred fifty-three".