1662025232712 has 256 divisors, whose sum is σ = 4754792448000. Its totient is φ = 479902123008.

The previous prime is 1662025232639. The next prime is 1662025232717. The reversal of 1662025232712 is 2172325202661.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is not an unprimeable number, because it can be changed into a prime (1662025232717) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 624116293 + ... + 624118955.

It is an arithmetic number, because the mean of its divisors is an integer number (18573408000).

Almost surely, 2^{1662025232712} is an apocalyptic number.

1662025232712 is a gapful number since it is divisible by the number (12) 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 1662025232712, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2377396224000).

1662025232712 is an abundant number, since it is smaller than the sum of its proper divisors (3092767215288).

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

1662025232712 is a wasteful number, since it uses less digits than its factorization.

1662025232712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3660 (or 3656 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 39.

The spelling of 1662025232712 in words is "one trillion, six hundred sixty-two billion, twenty-five million, two hundred thirty-two thousand, seven hundred twelve".