1720670552000 has 224 divisors, whose sum is σ = 4490053788480. Its totient is φ = 651384115200.

The previous prime is 1720670551979. The next prime is 1720670552023. The reversal of 1720670552000 is 2550760271.

It is a happy number.

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, 166130822 + ... + 166141178.

Almost surely, 2^{1720670552000} is an apocalyptic number.

1720670552000 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 1720670552000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2245026894240).

1720670552000 is an abundant number, since it is smaller than the sum of its proper divisors (2769383236480).

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

1720670552000 is a wasteful number, since it uses less digits than its factorization.

1720670552000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11496 (or 11476 counting only the distinct ones).

The product of its (nonzero) digits is 29400, while the sum is 35.

The spelling of 1720670552000 in words is "one trillion, seven hundred twenty billion, six hundred seventy million, five hundred fifty-two thousand".