16952983521 has 4 divisors (see below), whose sum is σ = 22603978032. Its totient is φ = 11301989012.

The previous prime is 16952983501. The next prime is 16952983577. The reversal of 16952983521 is 12538925961.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 16952983521 - 2¹⁵ = 16952950753 is a prime.

It is not an unprimeable number, because it can be changed into a prime (16952983501) 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, 2825497251 + ... + 2825497256.

It is an arithmetic number, because the mean of its divisors is an integer number (5650994508).

Almost surely, 2^16952983521 is an apocalyptic number.

It is an amenable number.

16952983521 is a deficient number, since it is larger than the sum of its proper divisors (5650994511).

16952983521 is an equidigital number, since it uses as much as digits as its factorization.

16952983521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5650994510.

The product of its digits is 1166400, while the sum is 51.

The spelling of 16952983521 in words is "sixteen billion, nine hundred fifty-two million, nine hundred eighty-three thousand, five hundred twenty-one".