16630421362 has 4 divisors (see below), whose sum is σ = 24945632046. Its totient is φ = 8315210680.

The previous prime is 16630421347. The next prime is 16630421383. The reversal of 16630421362 is 26312403661.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 26312403661 = 2633 ⋅9993317.

It can be written as a sum of positive squares in only one way, i.e., 16022749561 + 607671801 = 126581^2 + 24651^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4157605339 + ... + 4157605342.

Almost surely, 2^16630421362 is an apocalyptic number.

16630421362 is a deficient number, since it is larger than the sum of its proper divisors (8315210684).

16630421362 is an equidigital number, since it uses as much as digits as its factorization.

16630421362 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8315210683.

The product of its (nonzero) digits is 31104, while the sum is 34.

The spelling of 16630421362 in words is "sixteen billion, six hundred thirty million, four hundred twenty-one thousand, three hundred sixty-two".