998768170 has 16 divisors (see below), whose sum is σ = 1798990560. Its totient is φ = 399238864.

The previous prime is 998768167. The next prime is 998768171. The reversal of 998768170 is 71867899.

It is not an unprimeable number, because it can be changed into a prime (998768171) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17560 + ... + 48019.

It is an arithmetic number, because the mean of its divisors is an integer number (112436910).

Almost surely, 2^998768170 is an apocalyptic number.

998768170 is a deficient number, since it is larger than the sum of its proper divisors (800222390).

998768170 is a wasteful number, since it uses less digits than its factorization.

998768170 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67109.

The product of its (nonzero) digits is 1524096, while the sum is 55.

The square root of 998768170 is about 31603.2936574655. The cubic root of 998768170 is about 999.5892212840.

The spelling of 998768170 in words is "nine hundred ninety-eight million, seven hundred sixty-eight thousand, one hundred seventy".