161158151 has 8 divisors (see below), whose sum is σ = 200924544. Its totient is φ = 125577720.

The previous prime is 161158139. The next prime is 161158177. The reversal of 161158151 is 151851161.

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-161158151 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 (161158111) 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, 1046405 + ... + 1046558.

It is an arithmetic number, because the mean of its divisors is an integer number (25115568).

Almost surely, 2^161158151 is an apocalyptic number.

161158151 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

161158151 is a deficient number, since it is larger than the sum of its proper divisors (39766393).

161158151 is a wasteful number, since it uses less digits than its factorization.

161158151 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2092981.

The product of its digits is 1200, while the sum is 29.

The square root of 161158151 is about 12694.8080332079. The cubic root of 161158151 is about 544.1902527585.

The spelling of 161158151 in words is "one hundred sixty-one million, one hundred fifty-eight thousand, one hundred fifty-one".