195161400 has 240 divisors, whose sum is σ = 775106640. Its totient is φ = 44582400.

The previous prime is 195161389. The next prime is 195161429. The reversal of 195161400 is 4161591.

195161400 is a `hidden beast` number, since 1 + 9 + 516 + 140 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 112540 + ... + 114260.

It is an arithmetic number, because the mean of its divisors is an integer number (3229611).

Almost surely, 2^195161400 is an apocalyptic number.

195161400 is a gapful number since it is divisible by the number (10) 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 195161400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (387553320).

195161400 is an abundant number, since it is smaller than the sum of its proper divisors (579945240).

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

195161400 is a wasteful number, since it uses less digits than its factorization.

195161400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1756 (or 1738 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 27.

The square root of 195161400 is about 13970.0178954789. The cubic root of 195161400 is about 580.0489455325.

The spelling of 195161400 in words is "one hundred ninety-five million, one hundred sixty-one thousand, four hundred".