1403696664 has 192 divisors, whose sum is σ = 4185548640. Its totient is φ = 423198720.

The previous prime is 1403696663. The next prime is 1403696677. The reversal of 1403696664 is 4666963041.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1403696663) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 4165104 + ... + 4165440.

Almost surely, 2^1403696664 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 1403696664, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2092774320).

1403696664 is an abundant number, since it is smaller than the sum of its proper divisors (2781851976).

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

1403696664 is a wasteful number, since it uses less digits than its factorization.

1403696664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 490 (or 483 counting only the distinct ones).

The product of its (nonzero) digits is 559872, while the sum is 45.

The square root of 1403696664 is about 37465.9400522661. The cubic root of 1403696664 is about 1119.6726998548.

The spelling of 1403696664 in words is "one billion, four hundred three million, six hundred ninety-six thousand, six hundred sixty-four".