185153213700 has 216 divisors, whose sum is σ = 714280269248. Its totient is φ = 39065276160.

The previous prime is 185153213657. The next prime is 185153213701. The reversal of 185153213700 is 7312351581.

It is a happy number.

185153213700 is a `hidden beast` number, since 1 + 8 + 51 + 532 + 1 + 3 + 70 + 0 = 666.

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

It is not an unprimeable number, because it can be changed into a prime (185153213701) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 1048462 + ... + 1212261.

Almost surely, 2^185153213700 is an apocalyptic number.

185153213700 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

185153213700 is an abundant number, since it is smaller than the sum of its proper divisors (529127055548).

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

185153213700 is a wasteful number, since it uses less digits than its factorization.

185153213700 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2260763 (or 2260753 counting only the distinct ones).

The product of its (nonzero) digits is 25200, while the sum is 36.

The spelling of 185153213700 in words is "one hundred eighty-five billion, one hundred fifty-three million, two hundred thirteen thousand, seven hundred".