63902191960 has 32 divisors (see below), whose sum is σ = 144112026240. Its totient is φ = 25501837824.

The previous prime is 63902191957. The next prime is 63902191963. The reversal of 63902191960 is 6919120936.

It is an interprime number because it is at equal distance from previous prime (63902191957) and next prime (63902191963).

It is a self number, because there is not a number n which added to its sum of digits gives 63902191960.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63902191963) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1827432 + ... + 1862071.

It is an arithmetic number, because the mean of its divisors is an integer number (4503500820).

Almost surely, 2^63902191960 is an apocalyptic number.

It is an amenable number.

63902191960 is an abundant number, since it is smaller than the sum of its proper divisors (80209834280).

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

63902191960 is a wasteful number, since it uses less digits than its factorization.

63902191960 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3689947 (or 3689943 counting only the distinct ones).

The product of its (nonzero) digits is 157464, while the sum is 46.

The spelling of 63902191960 in words is "sixty-three billion, nine hundred two million, one hundred ninety-one thousand, nine hundred sixty".