561701507165 has 8 divisors (see below), whose sum is σ = 675110024448. Its totient is φ = 448649061840.

The previous prime is 561701507153. The next prime is 561701507179. The reversal of 561701507165 is 561705107165.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 561701507165 - 2⁴ = 561701507149 is a prime.

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 7 ways as a sum of consecutive naturals, for example, 89014517 + ... + 89020826.

It is an arithmetic number, because the mean of its divisors is an integer number (84388753056).

Almost surely, 2^561701507165 is an apocalyptic number.

It is an amenable number.

561701507165 is a deficient number, since it is larger than the sum of its proper divisors (113408517283).

561701507165 is a wasteful number, since it uses less digits than its factorization.

561701507165 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 178035979.

The product of its (nonzero) digits is 220500, while the sum is 44.

The spelling of 561701507165 in words is "five hundred sixty-one billion, seven hundred one million, five hundred seven thousand, one hundred sixty-five".