61989162 has 16 divisors (see below), whose sum is σ = 124422912. Its totient is φ = 20588960.

The previous prime is 61989149. The next prime is 61989173. The reversal of 61989162 is 26198916.

61989162 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 (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16698 + ... + 20069.

It is an arithmetic number, because the mean of its divisors is an integer number (7776432).

Almost surely, 2^61989162 is an apocalyptic number.

61989162 is an abundant number, since it is smaller than the sum of its proper divisors (62433750).

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

61989162 is a wasteful number, since it uses less digits than its factorization.

61989162 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37053.

The product of its digits is 46656, while the sum is 42.

The square root of 61989162 is about 7873.3196302449. The cubic root of 61989162 is about 395.7660974578.

The spelling of 61989162 in words is "sixty-one million, nine hundred eighty-nine thousand, one hundred sixty-two".