161325298894 has 8 divisors (see below), whose sum is σ = 245599708968. Its totient is φ = 79458729240.

The previous prime is 161325298793. The next prime is 161325298909. The reversal of 161325298894 is 498892523161.

It is a happy number.

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

It is a congruent number.

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, 601959937 + ... + 601960204.

It is an arithmetic number, because the mean of its divisors is an integer number (30699963621).

Almost surely, 2^161325298894 is an apocalyptic number.

161325298894 is a deficient number, since it is larger than the sum of its proper divisors (84274410074).

161325298894 is a wasteful number, since it uses less digits than its factorization.

161325298894 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1203920210.

The product of its digits is 7464960, while the sum is 58.

The spelling of 161325298894 in words is "one hundred sixty-one billion, three hundred twenty-five million, two hundred ninety-eight thousand, eight hundred ninety-four".