16880977135 has 16 divisors (see below), whose sum is σ = 23398660512. Its totient is φ = 11554892800.

The previous prime is 16880977129. The next prime is 16880977153. The reversal of 16880977135 is 53177908861.

It is a happy number.

It is not a de Polignac number, because 16880977135 - 2⁷ = 16880977007 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (55).

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9026326 + ... + 9028195.

It is an arithmetic number, because the mean of its divisors is an integer number (1462416282).

Almost surely, 2^16880977135 is an apocalyptic number.

16880977135 is a deficient number, since it is larger than the sum of its proper divisors (6517683377).

16880977135 is a wasteful number, since it uses less digits than its factorization.

16880977135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18054554.

The product of its (nonzero) digits is 2540160, while the sum is 55.

The spelling of 16880977135 in words is "sixteen billion, eight hundred eighty million, nine hundred seventy-seven thousand, one hundred thirty-five".