16097631 has 32 divisors (see below), whose sum is σ = 24772608. Its totient is φ = 9203040.

The previous prime is 16097611. The next prime is 16097633. The reversal of 16097631 is 13679061.

It is not a de Polignac number, because 16097631 - 2⁶ = 16097567 is a prime.

It is a super-2 number, since 2×16097631² = 518267447624322, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a junction number, because it is equal to n+sod(n) for n = 16097592 and 16097601.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16097633) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 96310 + ... + 96476.

It is an arithmetic number, because the mean of its divisors is an integer number (774144).

Almost surely, 2^16097631 is an apocalyptic number.

16097631 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

16097631 is a deficient number, since it is larger than the sum of its proper divisors (8674977).

16097631 is a wasteful number, since it uses less digits than its factorization.

16097631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 331.

The product of its (nonzero) digits is 6804, while the sum is 33.

The square root of 16097631 is about 4012.1853147630. The cubic root of 16097631 is about 252.4957016554.

The spelling of 16097631 in words is "sixteen million, ninety-seven thousand, six hundred thirty-one".