161200752 has 20 divisors (see below), whose sum is σ = 416435400. Its totient is φ = 53733568.

The previous prime is 161200751. The next prime is 161200759. The reversal of 161200752 is 257002161.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (161200751) 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, 1679127 + ... + 1679222.

It is an arithmetic number, because the mean of its divisors is an integer number (20821770).

Almost surely, 2^161200752 is an apocalyptic number.

161200752 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

161200752 is an abundant number, since it is smaller than the sum of its proper divisors (255234648).

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

161200752 is a wasteful number, since it uses less digits than its factorization.

161200752 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3358360 (or 3358354 counting only the distinct ones).

The product of its (nonzero) digits is 840, while the sum is 24.

The square root of 161200752 is about 12696.4858130114. The cubic root of 161200752 is about 544.2381994626.

The spelling of 161200752 in words is "one hundred sixty-one million, two hundred thousand, seven hundred fifty-two".