15641203422 has 32 divisors (see below), whose sum is σ = 34094648448. Its totient is φ = 4754691936.

The previous prime is 15641203381. The next prime is 15641203433. The reversal of 15641203422 is 22430214651.

It is a self number, because there is not a number n which added to its sum of digits gives 15641203422.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1201528 + ... + 1214475.

It is an arithmetic number, because the mean of its divisors is an integer number (1065457764).

Almost surely, 2^15641203422 is an apocalyptic number.

15641203422 is an abundant number, since it is smaller than the sum of its proper divisors (18453445026).

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

15641203422 is a wasteful number, since it uses less digits than its factorization.

15641203422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2416104.

The product of its (nonzero) digits is 11520, while the sum is 30.

The spelling of 15641203422 in words is "fifteen billion, six hundred forty-one million, two hundred three thousand, four hundred twenty-two".