160012511749 has 4 divisors (see below), whose sum is σ = 163915255980. Its totient is φ = 156109767520.

The previous prime is 160012511683. The next prime is 160012511773. The reversal of 160012511749 is 947115210061.

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 80647480225 + 79365031524 = 283985^2 + 281718^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-160012511749 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 (160012515749) 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, 1951372054 + ... + 1951372135.

It is an arithmetic number, because the mean of its divisors is an integer number (40978813995).

Almost surely, 2^160012511749 is an apocalyptic number.

It is an amenable number.

160012511749 is a deficient number, since it is larger than the sum of its proper divisors (3902744231).

160012511749 is an equidigital number, since it uses as much as digits as its factorization.

160012511749 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3902744230.

The product of its (nonzero) digits is 15120, while the sum is 37.

The spelling of 160012511749 in words is "one hundred sixty billion, twelve million, five hundred eleven thousand, seven hundred forty-nine".