1896651061632 has 256 divisors, whose sum is σ = 5735567059200. Its totient is φ = 616691625984.

The previous prime is 1896651061609. The next prime is 1896651061693. The reversal of 1896651061632 is 2361601566981.

1896651061632 is a `hidden beast` number, since 1 + 8 + 9 + 6 + 6 + 5 + 10 + 616 + 3 + 2 = 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, 116946388 + ... + 116962604.

It is an arithmetic number, because the mean of its divisors is an integer number (22404558825).

Almost surely, 2^{1896651061632} is an apocalyptic number.

1896651061632 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 1896651061632, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2867783529600).

1896651061632 is an abundant number, since it is smaller than the sum of its proper divisors (3838915997568).

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

1896651061632 is a wasteful number, since it uses less digits than its factorization.

1896651061632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17070 (or 17052 counting only the distinct ones).

The product of its (nonzero) digits is 2799360, while the sum is 54.

The spelling of 1896651061632 in words is "one trillion, eight hundred ninety-six billion, six hundred fifty-one million, sixty-one thousand, six hundred thirty-two".