16765777132 has 24 divisors (see below), whose sum is σ = 31600655856. Its totient is φ = 7737165888.

The previous prime is 16765777097. The next prime is 16765777139. The reversal of 16765777132 is 23177756761.

It is a Harshad number since it is a multiple of its sum of digits (52).

It is a self number, because there is not a number n which added to its sum of digits gives 16765777132.

It is not an unprimeable number, because it can be changed into a prime (16765777139) 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, 729318 + ... + 751954.

It is an arithmetic number, because the mean of its divisors is an integer number (1316693994).

Almost surely, 2^16765777132 is an apocalyptic number.

It is an amenable number.

16765777132 is a deficient number, since it is larger than the sum of its proper divisors (14834878724).

16765777132 is a wasteful number, since it uses less digits than its factorization.

16765777132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36897 (or 36895 counting only the distinct ones).

The product of its digits is 2593080, while the sum is 52.

The spelling of 16765777132 in words is "sixteen billion, seven hundred sixty-five million, seven hundred seventy-seven thousand, one hundred thirty-two".