16177481768 has 32 divisors (see below), whose sum is σ = 34677768000. Its totient is φ = 6930859392.

The previous prime is 16177481767. The next prime is 16177481797. The reversal of 16177481768 is 86718477161.

It is a hoax number, since the sum of its digits (56) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (56).

It is not an unprimeable number, because it can be changed into a prime (16177481767) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 123371 + ... + 218117.

It is an arithmetic number, because the mean of its divisors is an integer number (1083680250).

Almost surely, 2^16177481768 is an apocalyptic number.

It is an amenable number.

16177481768 is an abundant number, since it is smaller than the sum of its proper divisors (18500286232).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

16177481768 is a wasteful number, since it uses less digits than its factorization.

16177481768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97809 (or 97805 counting only the distinct ones).

The product of its digits is 3161088, while the sum is 56.

The spelling of 16177481768 in words is "sixteen billion, one hundred seventy-seven million, four hundred eighty-one thousand, seven hundred sixty-eight".