16031407645 has 8 divisors (see below), whose sum is σ = 20986570080. Its totient is φ = 11659205520.

The previous prime is 16031407603. The next prime is 16031407649. The reversal of 16031407645 is 54670413061.

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

It is not a de Polignac number, because 16031407645 - 2¹¹ = 16031405597 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16031407649) 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, 145740015 + ... + 145740124.

It is an arithmetic number, because the mean of its divisors is an integer number (2623321260).

Almost surely, 2^16031407645 is an apocalyptic number.

It is an amenable number.

16031407645 is a deficient number, since it is larger than the sum of its proper divisors (4955162435).

16031407645 is a wasteful number, since it uses less digits than its factorization.

16031407645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 291480155.

The product of its (nonzero) digits is 60480, while the sum is 37.

The spelling of 16031407645 in words is "sixteen billion, thirty-one million, four hundred seven thousand, six hundred forty-five".