161182070 has 96 divisors (see below), whose sum is σ = 353699136. Its totient is φ = 52684800.

The previous prime is 161182067. The next prime is 161182079. The reversal of 161182070 is 70281161.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (161182079) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1426334 + ... + 1426446.

It is an arithmetic number, because the mean of its divisors is an integer number (3684366).

Almost surely, 2^161182070 is an apocalyptic number.

161182070 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

161182070 is an abundant number, since it is smaller than the sum of its proper divisors (192517066).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

161182070 is a wasteful number, since it uses less digits than its factorization.

161182070 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 246 (or 239 counting only the distinct ones).

The product of its (nonzero) digits is 672, while the sum is 26.

The square root of 161182070 is about 12695.7500763051. The cubic root of 161182070 is about 544.2171742280.

Subtracting from 161182070 its reverse (70281161), we obtain a palindrome (90900909).

The spelling of 161182070 in words is "one hundred sixty-one million, one hundred eighty-two thousand, seventy".