159672309425 has 12 divisors (see below), whose sum is σ = 199099779120. Its totient is φ = 127024224720.

The previous prime is 159672309373. The next prime is 159672309449. The reversal of 159672309425 is 524903276951.

It is a happy number.

It is not a de Polignac number, because 159672309425 - 2¹⁴ = 159672293041 is a prime.

It is a super-2 number, since 2×159672309425² (a number of 23 digits) contains 22 as substring.

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, 17836007 + ... + 17844956.

It is an arithmetic number, because the mean of its divisors is an integer number (16591648260).

Almost surely, 2^159672309425 is an apocalyptic number.

It is an amenable number.

159672309425 is a deficient number, since it is larger than the sum of its proper divisors (39427469695).

159672309425 is a wasteful number, since it uses less digits than its factorization.

159672309425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35681152 (or 35681147 counting only the distinct ones).

The product of its (nonzero) digits is 4082400, while the sum is 53.

The spelling of 159672309425 in words is "one hundred fifty-nine billion, six hundred seventy-two million, three hundred nine thousand, four hundred twenty-five".