189276561026 has 32 divisors (see below), whose sum is σ = 324900250752. Its totient is φ = 81012078720.

The previous prime is 189276561017. The next prime is 189276561053. The reversal of 189276561026 is 620165672981.

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, 59388605 + ... + 59391791.

It is an arithmetic number, because the mean of its divisors is an integer number (10153132836).

Almost surely, 2^189276561026 is an apocalyptic number.

189276561026 is a deficient number, since it is larger than the sum of its proper divisors (135623689726).

189276561026 is a wasteful number, since it uses less digits than its factorization.

189276561026 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7434.

The product of its (nonzero) digits is 2177280, while the sum is 53.

The spelling of 189276561026 in words is "one hundred eighty-nine billion, two hundred seventy-six million, five hundred sixty-one thousand, twenty-six".