161159614 has 32 divisors (see below), whose sum is σ = 308411136. Its totient is φ = 61326720.

The previous prime is 161159599. The next prime is 161159629. The reversal of 161159614 is 416951161.

It is an interprime number because it is at equal distance from previous prime (161159599) and next prime (161159629).

It is a self number, because there is not a number n which added to its sum of digits gives 161159614.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5547 + ... + 18790.

It is an arithmetic number, because the mean of its divisors is an integer number (9637848).

Almost surely, 2^161159614 is an apocalyptic number.

161159614 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

161159614 is a deficient number, since it is larger than the sum of its proper divisors (147251522).

161159614 is a wasteful number, since it uses less digits than its factorization.

161159614 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24400.

The product of its digits is 6480, while the sum is 34.

The square root of 161159614 is about 12694.8656550591. The cubic root of 161159614 is about 544.1918994804.

The spelling of 161159614 in words is "one hundred sixty-one million, one hundred fifty-nine thousand, six hundred fourteen".