16158556533 has 32 divisors (see below), whose sum is σ = 24785429760. Its totient is φ = 9172500480.

The previous prime is 16158556511. The next prime is 16158556537. The reversal of 16158556533 is 33565585161.

It is not a de Polignac number, because 16158556533 - 2²⁹ = 15621685621 is a prime.

It is a super-2 number, since 2×16158556533² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16158556537) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4852213 + ... + 4855541.

It is an arithmetic number, because the mean of its divisors is an integer number (774544680).

Almost surely, 2^16158556533 is an apocalyptic number.

It is an amenable number.

16158556533 is a deficient number, since it is larger than the sum of its proper divisors (8626873227).

16158556533 is a wasteful number, since it uses less digits than its factorization.

16158556533 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4797.

The product of its digits is 1620000, while the sum is 48.

The spelling of 16158556533 in words is "sixteen billion, one hundred fifty-eight million, five hundred fifty-six thousand, five hundred thirty-three".