16880783701 has 4 divisors (see below), whose sum is σ = 16928604972. Its totient is φ = 16832962432.

The previous prime is 16880783687. The next prime is 16880783827. The reversal of 16880783701 is 10738708861.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 6840944100 + 10039839601 = 82710^2 + 100199^2 .

It is a cyclic number.

It is not a de Polignac number, because 16880783701 - 2⁵ = 16880783669 is a prime.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16880787701) 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, 23910106 + ... + 23910811.

It is an arithmetic number, because the mean of its divisors is an integer number (4232151243).

Almost surely, 2^16880783701 is an apocalyptic number.

It is an amenable number.

16880783701 is a deficient number, since it is larger than the sum of its proper divisors (47821271).

16880783701 is an equidigital number, since it uses as much as digits as its factorization.

16880783701 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47821270.

The product of its (nonzero) digits is 451584, while the sum is 49.

The spelling of 16880783701 in words is "sixteen billion, eight hundred eighty million, seven hundred eighty-three thousand, seven hundred one".