161150493 has 32 divisors (see below), whose sum is σ = 257032192. Its totient is φ = 87868800.

The previous prime is 161150413. The next prime is 161150513. The reversal of 161150493 is 394051161.

It is not a de Polignac number, because 161150493 - 2⁸ = 161150237 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 161150493.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (161150413) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 45828 + ... + 49218.

It is an arithmetic number, because the mean of its divisors is an integer number (8032256).

Almost surely, 2^161150493 is an apocalyptic number.

It is an amenable number.

161150493 is a deficient number, since it is larger than the sum of its proper divisors (95881699).

161150493 is a wasteful number, since it uses less digits than its factorization.

161150493 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3505.

The product of its (nonzero) digits is 3240, while the sum is 30.

The square root of 161150493 is about 12694.5064102548. The cubic root of 161150493 is about 544.1816329133.

The spelling of 161150493 in words is "one hundred sixty-one million, one hundred fifty thousand, four hundred ninety-three".