663070672368 has 180 divisors, whose sum is σ = 2064971661480. Its totient is φ = 197439863040.

The previous prime is 663070672367. The next prime is 663070672393. The reversal of 663070672368 is 863276070366.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (663070672367) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 1614703 + ... + 1983281.

It is an arithmetic number, because the mean of its divisors is an integer number (11472064786).

Almost surely, 2^663070672368 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 663070672368, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1032485830740).

663070672368 is an abundant number, since it is smaller than the sum of its proper divisors (1401900989112).

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

663070672368 is a wasteful number, since it uses less digits than its factorization.

663070672368 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 368668 (or 368628 counting only the distinct ones).

The product of its (nonzero) digits is 9144576, while the sum is 54.

The spelling of 663070672368 in words is "six hundred sixty-three billion, seventy million, six hundred seventy-two thousand, three hundred sixty-eight".