16989346762 has 4 divisors (see below), whose sum is σ = 25484020146. Its totient is φ = 8494673380.

The previous prime is 16989346757. The next prime is 16989346769. The reversal of 16989346762 is 26764398961.

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

It can be written as a sum of positive squares in only one way, i.e., 11754679561 + 5234667201 = 108419^2 + 72351^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 16989346762.

It is not an unprimeable number, because it can be changed into a prime (16989346769) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4247336689 + ... + 4247336692.

Almost surely, 2^16989346762 is an apocalyptic number.

16989346762 is a deficient number, since it is larger than the sum of its proper divisors (8494673384).

16989346762 is an equidigital number, since it uses as much as digits as its factorization.

16989346762 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8494673383.

The product of its digits is 23514624, while the sum is 61.

The spelling of 16989346762 in words is "sixteen billion, nine hundred eighty-nine million, three hundred forty-six thousand, seven hundred sixty-two".