11645642162 has 16 divisors (see below), whose sum is σ = 21778863552. Its totient is φ = 4537263120.

The previous prime is 11645642153. The next prime is 11645642189. The reversal of 11645642162 is 26124654611.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37810373 + ... + 37810680.

It is an arithmetic number, because the mean of its divisors is an integer number (1361178972).

Almost surely, 2^11645642162 is an apocalyptic number.

11645642162 is a deficient number, since it is larger than the sum of its proper divisors (10133221390).

11645642162 is a wasteful number, since it uses less digits than its factorization.

11645642162 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75621073.

The product of its digits is 69120, while the sum is 38.

The spelling of 11645642162 in words is "eleven billion, six hundred forty-five million, six hundred forty-two thousand, one hundred sixty-two".