165140646300 has 216 divisors, whose sum is σ = 617291490816. Its totient is φ = 36105252480.

The previous prime is 165140646299. The next prime is 165140646311. The reversal of 165140646300 is 3646041561.

It is a happy number.

165140646300 is a `hidden beast` number, since 1 + 6 + 5 + 1 + 4 + 0 + 646 + 3 + 0 + 0 = 666.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 424944 + ... + 714743.

It is an arithmetic number, because the mean of its divisors is an integer number (2857830976).

Almost surely, 2^165140646300 is an apocalyptic number.

165140646300 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

165140646300 is an abundant number, since it is smaller than the sum of its proper divisors (452150844516).

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

165140646300 is a wasteful number, since it uses less digits than its factorization.

165140646300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1139737 (or 1139727 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 36.

Adding to 165140646300 its reverse (3646041561), we get a palindrome (168786687861).

The spelling of 165140646300 in words is "one hundred sixty-five billion, one hundred forty million, six hundred forty-six thousand, three hundred".