160661310615 has 48 divisors (see below), whose sum is σ = 300613928160. Its totient is φ = 78906804480.

The previous prime is 160661310611. The next prime is 160661310619. The reversal of 160661310615 is 516013166061.

160661310615 is a `hidden beast` number, since 1 + 6 + 0 + 6 + 6 + 1 + 31 + 0 + 615 = 666.

It is an interprime number because it is at equal distance from previous prime (160661310611) and next prime (160661310619).

It is not a de Polignac number, because 160661310615 - 2² = 160661310611 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 160661310615.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (160661310611) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 79885 + ... + 572454.

It is an arithmetic number, because the mean of its divisors is an integer number (6262790170).

Almost surely, 2^160661310615 is an apocalyptic number.

160661310615 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

160661310615 is a deficient number, since it is larger than the sum of its proper divisors (139952617545).

160661310615 is a wasteful number, since it uses less digits than its factorization.

160661310615 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 652784 (or 652781 counting only the distinct ones).

The product of its (nonzero) digits is 19440, while the sum is 36.

Adding to 160661310615 its reverse (516013166061), we get a palindrome (676674476676).

The spelling of 160661310615 in words is "one hundred sixty billion, six hundred sixty-one million, three hundred ten thousand, six hundred fifteen".