16375010644 has 24 divisors (see below), whose sum is σ = 28846778688. Its totient is φ = 8133125760.

The previous prime is 16375010633. The next prime is 16375010669. The reversal of 16375010644 is 44601057361.

It is a super-2 number, since 2×16375010644² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1570689 + ... + 1581079.

It is an arithmetic number, because the mean of its divisors is an integer number (1201949112).

Almost surely, 2^16375010644 is an apocalyptic number.

It is an amenable number.

16375010644 is a deficient number, since it is larger than the sum of its proper divisors (12471768044).

16375010644 is a wasteful number, since it uses less digits than its factorization.

16375010644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12975 (or 12973 counting only the distinct ones).

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

The spelling of 16375010644 in words is "sixteen billion, three hundred seventy-five million, ten thousand, six hundred forty-four".