8160011501 has 4 divisors (see below), whose sum is σ = 8160338172. Its totient is φ = 8159684832.

The previous prime is 8160011471. The next prime is 8160011521. The reversal of 8160011501 is 1051100618.

It is a happy number.

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 6332021476 + 1827990025 = 79574^2 + 42755^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8160011501 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8160011521) 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, 122456 + ... + 176961.

It is an arithmetic number, because the mean of its divisors is an integer number (2040084543).

Almost surely, 2^8160011501 is an apocalyptic number.

It is an amenable number.

8160011501 is a deficient number, since it is larger than the sum of its proper divisors (326671).

8160011501 is a wasteful number, since it uses less digits than its factorization.

8160011501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 326670.

The product of its (nonzero) digits is 240, while the sum is 23.

The square root of 8160011501 is about 90332.7819841723. The cubic root of 8160011501 is about 2013.2463649668.

The spelling of 8160011501 in words is "eight billion, one hundred sixty million, eleven thousand, five hundred one".