16158477708 has 36 divisors (see below), whose sum is σ = 40856674768. Its totient is φ = 5384625120.

The previous prime is 16158477701. The next prime is 16158477763. The reversal of 16158477708 is 80777485161.

16158477708 is a `hidden beast` number, since 16 + 158 + 477 + 7 + 0 + 8 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×16158477708² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (16158477701) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 67953 + ... + 192183.

Almost surely, 2^16158477708 is an apocalyptic number.

16158477708 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

16158477708 is an abundant number, since it is smaller than the sum of its proper divisors (24698197060).

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

16158477708 is a wasteful number, since it uses less digits than its factorization.

16158477708 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127854 (or 127849 counting only the distinct ones).

The product of its (nonzero) digits is 2634240, while the sum is 54.

The spelling of 16158477708 in words is "sixteen billion, one hundred fifty-eight million, four hundred seventy-seven thousand, seven hundred eight".