16247061 has 20 divisors (see below), whose sum is σ = 24587200. Its totient is φ = 10690056.

The previous prime is 16247059. The next prime is 16247081. The reversal of 16247061 is 16074261.

It is not a de Polignac number, because 16247061 - 2¹ = 16247059 is a prime.

It is a super-2 number, since 2×16247061² = 527933982275442, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16247041) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 5130 + ... + 7668.

It is an arithmetic number, because the mean of its divisors is an integer number (1229360).

Almost surely, 2^16247061 is an apocalyptic number.

It is an amenable number.

16247061 is a deficient number, since it is larger than the sum of its proper divisors (8340139).

16247061 is an equidigital number, since it uses as much as digits as its factorization.

16247061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2630 (or 2621 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 27.

The square root of 16247061 is about 4030.7643195801. The cubic root of 16247061 is about 253.2745799037.

The spelling of 16247061 in words is "sixteen million, two hundred forty-seven thousand, sixty-one".