16121792 has 14 divisors (see below), whose sum is σ = 31991808. Its totient is φ = 8060864.

The previous prime is 16121783. The next prime is 16121801. The reversal of 16121792 is 29712161.

It is an interprime number because it is at equal distance from previous prime (16121783) and next prime (16121801).

It is a zygodrome in base 4.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 125888 + ... + 126015.

Almost surely, 2^16121792 is an apocalyptic number.

It is an amenable number.

16121792 is a deficient number, since it is larger than the sum of its proper divisors (15870016).

16121792 is an equidigital number, since it uses as much as digits as its factorization.

16121792 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 251915 (or 251905 counting only the distinct ones).

The product of its digits is 1512, while the sum is 29.

The square root of 16121792 is about 4015.1951384709. The cubic root of 16121792 is about 252.6219624507.

The spelling of 16121792 in words is "sixteen million, one hundred twenty-one thousand, seven hundred ninety-two".