16747074761 has 4 divisors (see below), whose sum is σ = 16776099732. Its totient is φ = 16718049792.

The previous prime is 16747074739. The next prime is 16747074769.

It is a happy number.

16747074761 is nontrivially palindromic in base 10.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 16697808400 + 49266361 = 129220^2 + 7019^2 .

It is a cyclic number.

It is not a de Polignac number, because 16747074761 - 2¹⁸ = 16746812617 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16747074769) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14511620 + ... + 14512773.

It is an arithmetic number, because the mean of its divisors is an integer number (4194024933).

Almost surely, 2^16747074761 is an apocalyptic number.

It is an amenable number.

16747074761 is a deficient number, since it is larger than the sum of its proper divisors (29024971).

16747074761 is an equidigital number, since it uses as much as digits as its factorization.

16747074761 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29024970.

The product of its (nonzero) digits is 1382976, while the sum is 50.

The spelling of 16747074761 in words is "sixteen billion, seven hundred forty-seven million, seventy-four thousand, seven hundred sixty-one".