16177748044 has 12 divisors (see below), whose sum is σ = 28484747704. Its totient is φ = 8039248704.

The previous prime is 16177748039. The next prime is 16177748047. The reversal of 16177748044 is 44084777161.

It is a hoax number, since the sum of its digits (49) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (16177748047) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12405597 + ... + 12406900.

Almost surely, 2^16177748044 is an apocalyptic number.

It is an amenable number.

16177748044 is a deficient number, since it is larger than the sum of its proper divisors (12306999660).

16177748044 is a wasteful number, since it uses less digits than its factorization.

16177748044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24812664 (or 24812662 counting only the distinct ones).

The product of its (nonzero) digits is 1053696, while the sum is 49.

The spelling of 16177748044 in words is "sixteen billion, one hundred seventy-seven million, seven hundred forty-eight thousand, forty-four".