199766312704 has 72 divisors (see below), whose sum is σ = 455808140928. Its totient is φ = 85596994560.

The previous prime is 199766312699. The next prime is 199766312723. The reversal of 199766312704 is 407213667991.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13516839 + ... + 13531609.

It is an arithmetic number, because the mean of its divisors is an integer number (6330668624).

Almost surely, 2^199766312704 is an apocalyptic number.

199766312704 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

199766312704 is an abundant number, since it is smaller than the sum of its proper divisors (256041828224).

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

199766312704 is an equidigital number, since it uses as much as digits as its factorization.

199766312704 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22341 (or 22327 counting only the distinct ones).

The product of its (nonzero) digits is 3429216, while the sum is 55.

The spelling of 199766312704 in words is "one hundred ninety-nine billion, seven hundred sixty-six million, three hundred twelve thousand, seven hundred four".