1590720591720 has 192 divisors, whose sum is σ = 5217665431680. Its totient is φ = 387759909888.

The previous prime is 1590720591709. The next prime is 1590720591743. The reversal of 1590720591720 is 271950270951.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 1590720591720.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1708074 + ... + 2469606.

It is an arithmetic number, because the mean of its divisors is an integer number (27175340790).

Almost surely, 2^{1590720591720} is an apocalyptic number.

1590720591720 is a gapful number since it is divisible by the number (10) 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 1590720591720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2608832715840).

1590720591720 is an abundant number, since it is smaller than the sum of its proper divisors (3626944839960).

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

1590720591720 is a wasteful number, since it uses less digits than its factorization.

1590720591720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 761676 (or 761659 counting only the distinct ones).

The product of its (nonzero) digits is 396900, while the sum is 48.

The spelling of 1590720591720 in words is "one trillion, five hundred ninety billion, seven hundred twenty million, five hundred ninety-one thousand, seven hundred twenty".