108890249642 has 16 divisors (see below), whose sum is σ = 164141096064. Its totient is φ = 54176904000.

The previous prime is 108890249519. The next prime is 108890249653. The reversal of 108890249642 is 246942098801.

It is a happy number.

108890249642 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×108890249642² (a number of 23 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (53) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax 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, 534767 + ... + 709757.

It is an arithmetic number, because the mean of its divisors is an integer number (10258818504).

Almost surely, 2^108890249642 is an apocalyptic number.

108890249642 is a deficient number, since it is larger than the sum of its proper divisors (55250846422).

108890249642 is a wasteful number, since it uses less digits than its factorization.

108890249642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 176525.

The product of its (nonzero) digits is 1990656, while the sum is 53.

The spelling of 108890249642 in words is "one hundred eight billion, eight hundred ninety million, two hundred forty-nine thousand, six hundred forty-two".