16493031 has 16 divisors (see below), whose sum is σ = 24625920. Its totient is φ = 10909080.

The previous prime is 16493021. The next prime is 16493053. The reversal of 16493031 is 13039461.

It is not a de Polignac number, because 16493031 - 2⁵ = 16492999 is a prime.

It is a super-2 number, since 2×16493031² = 544040143133922, which contains 22 as substring.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

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

It is a junction number, because it is equal to n+sod(n) for n = 16492986 and 16493004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16493011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1206 + ... + 5868.

It is an arithmetic number, because the mean of its divisors is an integer number (1539120).

Almost surely, 2^16493031 is an apocalyptic number.

16493031 is a deficient number, since it is larger than the sum of its proper divisors (8132889).

16493031 is a wasteful number, since it uses less digits than its factorization.

16493031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4803 (or 4797 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 27.

The square root of 16493031 is about 4061.1612871197. The cubic root of 16493031 is about 254.5463213522.

The spelling of 16493031 in words is "sixteen million, four hundred ninety-three thousand, thirty-one".