161246592 has 256 divisors, whose sum is σ = 531787200. Its totient is φ = 47775744.

The previous prime is 161246557. The next prime is 161246599. The reversal of 161246592 is 295642161.

161246592 is a `hidden beast` number, since 1 + 61 + 2 + 4 + 6 + 592 = 666.

It is a super-2 number, since 2×161246592² = 52000926863228928, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (161246599) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1662288 + ... + 1662384.

Almost surely, 2^161246592 is an apocalyptic number.

161246592 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 161246592, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (265893600).

161246592 is an abundant number, since it is smaller than the sum of its proper divisors (370540608).

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

161246592 is a wasteful number, since it uses less digits than its factorization.

161246592 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 170 (or 152 counting only the distinct ones).

The product of its digits is 25920, while the sum is 36.

The square root of 161246592 is about 12698.2909086223. The cubic root of 161246592 is about 544.2897821720.

It can be divided in two parts, 161 and 246592, that added together give a triangular number (246753 = T₇₀₂).

The spelling of 161246592 in words is "one hundred sixty-one million, two hundred forty-six thousand, five hundred ninety-two".