13573161890 has 8 divisors (see below), whose sum is σ = 24431691420. Its totient is φ = 5429264752.

The previous prime is 13573161887. The next prime is 13573161907. The reversal of 13573161890 is 9816137531.

It can be written as a sum of positive squares in 2 ways, for example, as 13487802769 + 85359121 = 116137^2 + 9239^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 678658085 + ... + 678658104.

Almost surely, 2^13573161890 is an apocalyptic number.

13573161890 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13573161890 is a deficient number, since it is larger than the sum of its proper divisors (10858529530).

13573161890 is a wasteful number, since it uses less digits than its factorization.

13573161890 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1357316196.

The product of its (nonzero) digits is 136080, while the sum is 44.

The spelling of 13573161890 in words is "thirteen billion, five hundred seventy-three million, one hundred sixty-one thousand, eight hundred ninety".