161149294 has 16 divisors (see below), whose sum is σ = 247827888. Its totient is φ = 78547392.

The previous prime is 161149291. The next prime is 161149321. The reversal of 161149294 is 492941161.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (161149291) 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, 51544 + ... + 54580.

It is an arithmetic number, because the mean of its divisors is an integer number (15489243).

Almost surely, 2^161149294 is an apocalyptic number.

161149294 is a deficient number, since it is larger than the sum of its proper divisors (86678594).

161149294 is a wasteful number, since it uses less digits than its factorization.

161149294 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3699.

The product of its digits is 15552, while the sum is 37.

The square root of 161149294 is about 12694.4591850145. The cubic root of 161149294 is about 544.1802832941.

It can be divided in two parts, 1611 and 49294, that added together give a palindrome (50905).

The spelling of 161149294 in words is "one hundred sixty-one million, one hundred forty-nine thousand, two hundred ninety-four".