16156350540 has 72 divisors (see below), whose sum is σ = 53462839248. Its totient is φ = 3916690560.

The previous prime is 16156350523. The next prime is 16156350547. The reversal of 16156350540 is 4505365161.

16156350540 is a `hidden beast` number, since 1 + 6 + 1 + 5 + 63 + 50 + 540 = 666.

It is a super-2 number, since 2×16156350540² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 16156350495 and 16156350504.

It is not an unprimeable number, because it can be changed into a prime (16156350547) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4077907 + ... + 4081866.

It is an arithmetic number, because the mean of its divisors is an integer number (742539434).

Almost surely, 2^16156350540 is an apocalyptic number.

16156350540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16156350540 is an abundant number, since it is smaller than the sum of its proper divisors (37306488708).

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

16156350540 is a wasteful number, since it uses less digits than its factorization.

16156350540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8159799 (or 8159794 counting only the distinct ones).

The product of its (nonzero) digits is 54000, while the sum is 36.

The spelling of 16156350540 in words is "sixteen billion, one hundred fifty-six million, three hundred fifty thousand, five hundred forty".