16157619553 has 8 divisors (see below), whose sum is σ = 17221368960. Its totient is φ = 15106459200.

The previous prime is 16157619493. The next prime is 16157619593. The reversal of 16157619553 is 35591675161.

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

It is a cyclic number.

It is not a de Polignac number, because 16157619553 - 2²¹ = 16155522401 is a prime.

It is a super-2 number, since 2×16157619553² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 16157619497 and 16157619506.

It is not an unprimeable number, because it can be changed into a prime (16157619593) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3144613 + ... + 3149746.

It is an arithmetic number, because the mean of its divisors is an integer number (2152671120).

Almost surely, 2^16157619553 is an apocalyptic number.

It is an amenable number.

16157619553 is a deficient number, since it is larger than the sum of its proper divisors (1063749407).

16157619553 is a wasteful number, since it uses less digits than its factorization.

16157619553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6294527.

The product of its digits is 850500, while the sum is 49.

The spelling of 16157619553 in words is "sixteen billion, one hundred fifty-seven million, six hundred nineteen thousand, five hundred fifty-three".