181400106774 has 8 divisors (see below), whose sum is σ = 362800213560. Its totient is φ = 60466702256.

The previous prime is 181400106763. The next prime is 181400106791. The reversal of 181400106774 is 477601004181.

It is a sphenic number, since it is the product of 3 distinct primes.

181400106774 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15116675559 + ... + 15116675570.

It is an arithmetic number, because the mean of its divisors is an integer number (45350026695).

Almost surely, 2^181400106774 is an apocalyptic number.

181400106774 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

181400106774 is a wasteful number, since it uses less digits than its factorization.

181400106774 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30233351134.

The product of its (nonzero) digits is 37632, while the sum is 39.

The spelling of 181400106774 in words is "one hundred eighty-one billion, four hundred million, one hundred six thousand, seven hundred seventy-four".