161324462749 has 8 divisors (see below), whose sum is σ = 162567050688. Its totient is φ = 160085167680.

The previous prime is 161324462729. The next prime is 161324462759. The reversal of 161324462749 is 947264423161.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-161324462749 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 (161324462729) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 724812 + ... + 920869.

It is an arithmetic number, because the mean of its divisors is an integer number (20320881336).

Almost surely, 2^161324462749 is an apocalyptic number.

It is an amenable number.

161324462749 is a deficient number, since it is larger than the sum of its proper divisors (1242587939).

161324462749 is a wasteful number, since it uses less digits than its factorization.

161324462749 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1646435.

The product of its digits is 1741824, while the sum is 49.

The spelling of 161324462749 in words is "one hundred sixty-one billion, three hundred twenty-four million, four hundred sixty-two thousand, seven hundred forty-nine".