190786866144 has 192 divisors, whose sum is σ = 607137140736. Its totient is φ = 51210215424.

The previous prime is 190786866131. The next prime is 190786866157. The reversal of 190786866144 is 441668687091.

It is an interprime number because it is at equal distance from previous prime (190786866131) and next prime (190786866157).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6348177 + ... + 6378159.

It is an arithmetic number, because the mean of its divisors is an integer number (3162172608).

Almost surely, 2^190786866144 is an apocalyptic number.

190786866144 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 190786866144, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (303568570368).

190786866144 is an abundant number, since it is smaller than the sum of its proper divisors (416350274592).

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

190786866144 is a wasteful number, since it uses less digits than its factorization.

190786866144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30577 (or 30569 counting only the distinct ones).

The product of its (nonzero) digits is 13934592, while the sum is 60.

The spelling of 190786866144 in words is "one hundred ninety billion, seven hundred eighty-six million, eight hundred sixty-six thousand, one hundred forty-four".