160023321725 has 12 divisors (see below), whose sum is σ = 199760661300. Its totient is φ = 127159468800.

The previous prime is 160023321713. The next prime is 160023321737. The reversal of 160023321725 is 527123320061.

It is an interprime number because it is at equal distance from previous prime (160023321713) and next prime (160023321737).

It can be written as a sum of positive squares in 6 ways, for example, as 64822687609 + 95200634116 = 254603^2 + 308546^2 .

It is a de Polignac number, because none of the positive numbers 2^k-160023321725 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 160023321691 and 160023321700.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 21475916 + ... + 21483365.

It is an arithmetic number, because the mean of its divisors is an integer number (16646721775).

Almost surely, 2^160023321725 is an apocalyptic number.

It is an amenable number.

160023321725 is a deficient number, since it is larger than the sum of its proper divisors (39737339575).

160023321725 is a wasteful number, since it uses less digits than its factorization.

160023321725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42959440 (or 42959435 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 32.

Adding to 160023321725 its reverse (527123320061), we get a palindrome (687146641786).

The spelling of 160023321725 in words is "one hundred sixty billion, twenty-three million, three hundred twenty-one thousand, seven hundred twenty-five".