195216736 has 96 divisors (see below), whose sum is σ = 464129568. Its totient is φ = 79626240.

The previous prime is 195216713. The next prime is 195216793. The reversal of 195216736 is 637612591.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 168736 + ... + 169888.

It is an arithmetic number, because the mean of its divisors is an integer number (4834683).

Almost surely, 2^195216736 is an apocalyptic number.

195216736 is a gapful number since it is divisible by the number (16) 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 195216736, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (232064784).

195216736 is an abundant number, since it is smaller than the sum of its proper divisors (268912832).

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

195216736 is a wasteful number, since it uses less digits than its factorization.

195216736 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1224 (or 1216 counting only the distinct ones).

The product of its digits is 68040, while the sum is 40.

The square root of 195216736 is about 13971.9982822787. The cubic root of 195216736 is about 580.1037626485.

The spelling of 195216736 in words is "one hundred ninety-five million, two hundred sixteen thousand, seven hundred thirty-six".