16251671122 has 4 divisors (see below), whose sum is σ = 24377506686. Its totient is φ = 8125835560.

The previous prime is 16251671113. The next prime is 16251671159. The reversal of 16251671122 is 22117615261.

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., 12750700561 + 3500970561 = 112919^2 + 59169^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4062917779 + ... + 4062917782.

Almost surely, 2^16251671122 is an apocalyptic number.

16251671122 is a deficient number, since it is larger than the sum of its proper divisors (8125835564).

16251671122 is an equidigital number, since it uses as much as digits as its factorization.

16251671122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8125835563.

The product of its digits is 10080, while the sum is 34.

The spelling of 16251671122 in words is "sixteen billion, two hundred fifty-one million, six hundred seventy-one thousand, one hundred twenty-two".