16685372037 has 8 divisors (see below), whose sum is σ = 22848437536. Its totient is φ = 10822943952.

The previous prime is 16685371991. The next prime is 16685372047. The reversal of 16685372037 is 73027358661.

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

It is not a de Polignac number, because 16685372037 - 2⁷ = 16685371909 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16685372047) 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, 75159223 + ... + 75159444.

It is an arithmetic number, because the mean of its divisors is an integer number (2856054692).

Almost surely, 2^16685372037 is an apocalyptic number.

It is an amenable number.

16685372037 is a deficient number, since it is larger than the sum of its proper divisors (6163065499).

16685372037 is a wasteful number, since it uses less digits than its factorization.

16685372037 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 150318707.

The product of its (nonzero) digits is 1270080, while the sum is 48.

The spelling of 16685372037 in words is "sixteen billion, six hundred eighty-five million, three hundred seventy-two thousand, thirty-seven".