161423058 has 16 divisors (see below), whose sum is σ = 341837280. Its totient is φ = 50642496.

The previous prime is 161423023. The next prime is 161423081. The reversal of 161423058 is 850324161.

It is a super-3 number, since 3×161423058³ (a number of 26 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 791188 + ... + 791391.

It is an arithmetic number, because the mean of its divisors is an integer number (21364830).

Almost surely, 2^161423058 is an apocalyptic number.

161423058 is an abundant number, since it is smaller than the sum of its proper divisors (180414222).

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

161423058 is a wasteful number, since it uses less digits than its factorization.

161423058 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1582601.

The product of its (nonzero) digits is 5760, while the sum is 30.

The square root of 161423058 is about 12705.2374239917. The cubic root of 161423058 is about 544.4882641424.

The spelling of 161423058 in words is "one hundred sixty-one million, four hundred twenty-three thousand, fifty-eight".