987212161198 has 16 divisors (see below), whose sum is σ = 1531936075680. Its totient is φ = 476568027936.

The previous prime is 987212161153. The next prime is 987212161207. The reversal of 987212161198 is 891161212789.

It is a congruent 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, 1400311 + ... + 1983757.

It is an arithmetic number, because the mean of its divisors is an integer number (95746004730).

Almost surely, 2^987212161198 is an apocalyptic number.

987212161198 is a deficient number, since it is larger than the sum of its proper divisors (544723914482).

987212161198 is a wasteful number, since it uses less digits than its factorization.

987212161198 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 612651.

The product of its digits is 870912, while the sum is 55.

The spelling of 987212161198 in words is "nine hundred eighty-seven billion, two hundred twelve million, one hundred sixty-one thousand, one hundred ninety-eight".