16901793 has 6 divisors (see below), whose sum is σ = 24413714. Its totient is φ = 11267856.

The previous prime is 16901777. The next prime is 16901821. The reversal of 16901793 is 39710961.

It can be written as a sum of positive squares in only one way, i.e., 12873744 + 4028049 = 3588^2 + 2007^2 .

It is not a de Polignac number, because 16901793 - 2⁴ = 16901777 is a prime.

It is a super-2 number, since 2×16901793² = 571341213229698, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16901743) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 938980 + ... + 938997.

Almost surely, 2^16901793 is an apocalyptic number.

It is an amenable number.

16901793 is a deficient number, since it is larger than the sum of its proper divisors (7511921).

16901793 is a wasteful number, since it uses less digits than its factorization.

16901793 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1877983 (or 1877980 counting only the distinct ones).

The product of its (nonzero) digits is 10206, while the sum is 36.

The square root of 16901793 is about 4111.1790279675. The cubic root of 16901793 is about 256.6320695107.

The spelling of 16901793 in words is "sixteen million, nine hundred one thousand, seven hundred ninety-three".