161492830 has 8 divisors (see below), whose sum is σ = 290687112. Its totient is φ = 64597128.

The previous prime is 161492801. The next prime is 161492833. The reversal of 161492830 is 38294161.

161492830 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (161492833) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8074632 + ... + 8074651.

It is an arithmetic number, because the mean of its divisors is an integer number (36335889).

Almost surely, 2^161492830 is an apocalyptic number.

161492830 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

161492830 is a deficient number, since it is larger than the sum of its proper divisors (129194282).

161492830 is a wasteful number, since it uses less digits than its factorization.

161492830 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16149290.

The product of its (nonzero) digits is 10368, while the sum is 34.

The square root of 161492830 is about 12707.9829241308. The cubic root of 161492830 is about 544.5667010222.

The spelling of 161492830 in words is "one hundred sixty-one million, four hundred ninety-two thousand, eight hundred thirty".