186453196930 has 128 divisors (see below), whose sum is σ = 451104546816. Its totient is φ = 53586835200.

The previous prime is 186453196913. The next prime is 186453196973. The reversal of 186453196930 is 39691354681.

186453196930 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×186453196930² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (55).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 9710119 + ... + 9729301.

It is an arithmetic number, because the mean of its divisors is an integer number (3524254272).

Almost surely, 2^186453196930 is an apocalyptic number.

186453196930 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

186453196930 is an abundant number, since it is smaller than the sum of its proper divisors (264651349886).

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

186453196930 is a wasteful number, since it uses less digits than its factorization.

186453196930 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20192.

The product of its (nonzero) digits is 4199040, while the sum is 55.

It can be divided in two parts, 186453 and 196930, that added together give a palindrome (383383).

The spelling of 186453196930 in words is "one hundred eighty-six billion, four hundred fifty-three million, one hundred ninety-six thousand, nine hundred thirty".