161140348 has 12 divisors (see below), whose sum is σ = 298583712. Its totient is φ = 75830720.

The previous prime is 161140321. The next prime is 161140367. The reversal of 161140348 is 843041161.

It is a super-2 number, since 2×161140348² = 51932423507122208, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1184788 + ... + 1184923.

It is an arithmetic number, because the mean of its divisors is an integer number (24881976).

Almost surely, 2^161140348 is an apocalyptic number.

It is an amenable number.

161140348 is a deficient number, since it is larger than the sum of its proper divisors (137443364).

161140348 is a wasteful number, since it uses less digits than its factorization.

161140348 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2369732 (or 2369730 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 28.

The square root of 161140348 is about 12694.1068216712. The cubic root of 161140348 is about 544.1702132802.

The spelling of 161140348 in words is "one hundred sixty-one million, one hundred forty thousand, three hundred forty-eight".