16701770161 has 16 divisors (see below), whose sum is σ = 17524362960. Its totient is φ = 15897011200.

The previous prime is 16701770159. The next prime is 16701770177. The reversal of 16701770161 is 16107710761.

It can be written as a sum of positive squares in 8 ways, for example, as 1460386225 + 15241383936 = 38215^2 + 123456^2 .

It is not a de Polignac number, because 16701770161 - 2¹ = 16701770159 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 16701770161.

It is not an unprimeable number, because it can be changed into a prime (16701770101) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 670221 + ... + 694693.

It is an arithmetic number, because the mean of its divisors is an integer number (1095272685).

Almost surely, 2^16701770161 is an apocalyptic number.

It is an amenable number.

16701770161 is a deficient number, since it is larger than the sum of its proper divisors (822592799).

16701770161 is a wasteful number, since it uses less digits than its factorization.

16701770161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24836.

The product of its (nonzero) digits is 12348, while the sum is 37.

The spelling of 16701770161 in words is "sixteen billion, seven hundred one million, seven hundred seventy thousand, one hundred sixty-one".