16495576420 has 24 divisors (see below), whose sum is σ = 35835219000. Its totient is φ = 6370705152.

The previous prime is 16495576399. The next prime is 16495576429. The reversal of 16495576420 is 2467559461.

It can be written as a sum of positive squares in 4 ways, for example, as 832553316 + 15663023104 = 28854^2 + 125152^2 .

It is not an unprimeable number, because it can be changed into a prime (16495576429) 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, 14219745 + ... + 14220904.

It is an arithmetic number, because the mean of its divisors is an integer number (1493134125).

Almost surely, 2^16495576420 is an apocalyptic number.

16495576420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16495576420 is an abundant number, since it is smaller than the sum of its proper divisors (19339642580).

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

16495576420 is a wasteful number, since it uses less digits than its factorization.

16495576420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28440687 (or 28440685 counting only the distinct ones).

The product of its (nonzero) digits is 1814400, while the sum is 49.

The spelling of 16495576420 in words is "sixteen billion, four hundred ninety-five million, five hundred seventy-six thousand, four hundred twenty".