186969428046 has 24 divisors (see below), whose sum is σ = 410806070064. Its totient is φ = 61445351520.

The previous prime is 186969428029. The next prime is 186969428141. The reversal of 186969428046 is 640824969681.

186969428046 is a `hidden beast` number, since 1 + 86 + 96 + 9 + 428 + 0 + 46 = 666.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 73147951 + ... + 73150506.

It is an arithmetic number, because the mean of its divisors is an integer number (17116919586).

Almost surely, 2^186969428046 is an apocalyptic number.

186969428046 is an abundant number, since it is smaller than the sum of its proper divisors (223836642018).

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

186969428046 is a wasteful number, since it uses less digits than its factorization.

186969428046 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 146298536 (or 146298533 counting only the distinct ones).

The product of its (nonzero) digits is 35831808, while the sum is 63.

The spelling of 186969428046 in words is "one hundred eighty-six billion, nine hundred sixty-nine million, four hundred twenty-eight thousand, forty-six".