16121132642 has 16 divisors (see below), whose sum is σ = 24643776960. Its totient is φ = 7906612272.

The previous prime is 16121132581. The next prime is 16121132669. The reversal of 16121132642 is 24623112161.

16121132642 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

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, 504209 + ... + 535227.

It is an arithmetic number, because the mean of its divisors is an integer number (1540236060).

Almost surely, 2^16121132642 is an apocalyptic number.

16121132642 is a deficient number, since it is larger than the sum of its proper divisors (8522644318).

16121132642 is a wasteful number, since it uses less digits than its factorization.

16121132642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35977.

The product of its digits is 3456, while the sum is 29.

The spelling of 16121132642 in words is "sixteen billion, one hundred twenty-one million, one hundred thirty-two thousand, six hundred forty-two".