16606632351 has 16 divisors (see below), whose sum is σ = 22192755200. Its totient is φ = 11045831328.

The previous prime is 16606632349. The next prime is 16606632373. The reversal of 16606632351 is 15323660661.

It is a happy number.

It is not a de Polignac number, because 16606632351 - 2¹ = 16606632349 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16606632751) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2662905 + ... + 2669133.

It is an arithmetic number, because the mean of its divisors is an integer number (1387047200).

Almost surely, 2^16606632351 is an apocalyptic number.

16606632351 is a deficient number, since it is larger than the sum of its proper divisors (5586122849).

16606632351 is an equidigital number, since it uses as much as digits as its factorization.

16606632351 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8118.

The product of its (nonzero) digits is 116640, while the sum is 39.

The spelling of 16606632351 in words is "sixteen billion, six hundred six million, six hundred thirty-two thousand, three hundred fifty-one".