16240346331 has 8 divisors (see below), whose sum is σ = 23622321984. Its totient is φ = 9842634120.

The previous prime is 16240346321. The next prime is 16240346333. The reversal of 16240346331 is 13364304261.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 16240346331 - 2⁷ = 16240346203 is a prime.

It is a super-2 number, since 2×16240346331² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (33), and also a Moran number because the ratio is a prime number: 492131707 = 16240346331 / (1 + 6 + 2 + 4 + 0 + 3 + 4 + 6 + 3 + 3 + 1).

It is a junction number, because it is equal to n+sod(n) for n = 16240346292 and 16240346301.

It is not an unprimeable number, because it can be changed into a prime (16240346333) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 246065821 + ... + 246065886.

It is an arithmetic number, because the mean of its divisors is an integer number (2952790248).

Almost surely, 2^16240346331 is an apocalyptic number.

16240346331 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

16240346331 is a deficient number, since it is larger than the sum of its proper divisors (7381975653).

16240346331 is a wasteful number, since it uses less digits than its factorization.

16240346331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 492131721.

The product of its (nonzero) digits is 31104, while the sum is 33.

The spelling of 16240346331 in words is "sixteen billion, two hundred forty million, three hundred forty-six thousand, three hundred thirty-one".