16249073570 has 16 divisors (see below), whose sum is σ = 29275111800. Its totient is φ = 6493678464.

The previous prime is 16249073507. The next prime is 16249073573. The reversal of 16249073570 is 7537094261.

It can be written as a sum of positive squares in 4 ways, for example, as 16248345961 + 727609 = 127469^2 + 853^2 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (16249073573) 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, 732395 + ... + 754254.

Almost surely, 2^16249073570 is an apocalyptic number.

16249073570 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

16249073570 is a deficient number, since it is larger than the sum of its proper divisors (13026038230).

16249073570 is a wasteful number, since it uses less digits than its factorization.

16249073570 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1487749.

The product of its (nonzero) digits is 317520, while the sum is 44.

The spelling of 16249073570 in words is "sixteen billion, two hundred forty-nine million, seventy-three thousand, five hundred seventy".