16790520 has 32 divisors (see below), whose sum is σ = 50371920. Its totient is φ = 4477440.

The previous prime is 16790519. The next prime is 16790533. The reversal of 16790520 is 2509761.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 69841 + ... + 70080.

Almost surely, 2^16790520 is an apocalyptic number.

16790520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16790520 is an abundant number, since it is smaller than the sum of its proper divisors (33581400).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

16790520 is a wasteful number, since it uses less digits than its factorization.

16790520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139935 (or 139931 counting only the distinct ones).

The product of its (nonzero) digits is 3780, while the sum is 30.

The square root of 16790520 is about 4097.6237016105. The cubic root of 16790520 is about 256.0676497647.

The spelling of 16790520 in words is "sixteen million, seven hundred ninety thousand, five hundred twenty".