16020002157 has 8 divisors (see below), whose sum is σ = 21503359200. Its totient is φ = 10608323280.

The previous prime is 16020002149. The next prime is 16020002179. The reversal of 16020002157 is 75120002061.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 16020002157 - 2³ = 16020002149 is a prime.

It is a super-2 number, since 2×16020002157² (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 (16020002107) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17919019 + ... + 17919912.

It is an arithmetic number, because the mean of its divisors is an integer number (2687919900).

Almost surely, 2^16020002157 is an apocalyptic number.

It is an amenable number.

16020002157 is a deficient number, since it is larger than the sum of its proper divisors (5483357043).

16020002157 is a wasteful number, since it uses less digits than its factorization.

16020002157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35839083.

The product of its (nonzero) digits is 840, while the sum is 24.

The spelling of 16020002157 in words is "sixteen billion, twenty million, two thousand, one hundred fifty-seven".