161104151 has 12 divisors (see below), whose sum is σ = 176426640. Its totient is φ = 147026880.

The previous prime is 161104133. The next prime is 161104271. The reversal of 161104151 is 151401161.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-161104151 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (161124151) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9686 + ... + 20396.

It is an arithmetic number, because the mean of its divisors is an integer number (14702220).

Almost surely, 2^161104151 is an apocalyptic number.

161104151 is a deficient number, since it is larger than the sum of its proper divisors (15322489).

161104151 is a wasteful number, since it uses less digits than its factorization.

161104151 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10826 (or 10813 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 20.

The square root of 161104151 is about 12692.6810012700. The cubic root of 161104151 is about 544.1294645281.

The spelling of 161104151 in words is "one hundred sixty-one million, one hundred four thousand, one hundred fifty-one".