1320927341598 has 64 divisors (see below), whose sum is σ = 2972980454400. Its totient is φ = 440109541368.

The previous prime is 1320927341567. The next prime is 1320927341609. The reversal of 1320927341598 is 8951437290231.

1320927341598 is a `hidden beast` number, since 1 + 3 + 2 + 0 + 9 + 2 + 7 + 3 + 41 + 598 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

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, 9743563 + ... + 9878201.

It is an arithmetic number, because the mean of its divisors is an integer number (46452819600).

Almost surely, 2^{1320927341598} is an apocalyptic number.

1320927341598 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1320927341598, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1486490227200).

1320927341598 is an abundant number, since it is smaller than the sum of its proper divisors (1652053112802).

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

1320927341598 is an equidigital number, since it uses as much as digits as its factorization.

1320927341598 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136905 (or 136887 counting only the distinct ones).

The product of its (nonzero) digits is 3265920, while the sum is 54.

The spelling of 1320927341598 in words is "one trillion, three hundred twenty billion, nine hundred twenty-seven million, three hundred forty-one thousand, five hundred ninety-eight".