163261670000 has 600 divisors, whose sum is σ = 477136055088. Its totient is φ = 53729280000.

The previous prime is 163261669969. The next prime is 163261670003. The reversal of 163261670000 is 76162361.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (163261670003) by changing a digit.

It is a polite number, since it can be written in 119 ways as a sum of consecutive naturals, for example, 1525809947 + ... + 1525810053.

Almost surely, 2^163261670000 is an apocalyptic number.

163261670000 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 163261670000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (238568027544).

163261670000 is an abundant number, since it is smaller than the sum of its proper divisors (313874385088).

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

163261670000 is a wasteful number, since it uses less digits than its factorization.

163261670000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 267 (or 235 counting only the distinct ones).

The product of its (nonzero) digits is 9072, while the sum is 32.

The spelling of 163261670000 in words is "one hundred sixty-three billion, two hundred sixty-one million, six hundred seventy thousand".