1667284998 has 48 divisors (see below), whose sum is σ = 3528852480. Its totient is φ = 525084912.

The previous prime is 1667284963. The next prime is 1667285063. The reversal of 1667284998 is 8994827661.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1036711 + ... + 1038317.

It is an arithmetic number, because the mean of its divisors is an integer number (73517760).

Almost surely, 2^1667284998 is an apocalyptic number.

1667284998 is an abundant number, since it is smaller than the sum of its proper divisors (1861567482).

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

1667284998 is a wasteful number, since it uses less digits than its factorization.

1667284998 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2129 (or 2110 counting only the distinct ones).

The product of its digits is 10450944, while the sum is 60.

The square root of 1667284998 is about 40832.4013254180. The cubic root of 1667284998 is about 1185.7777059401. Note that the first 4 decimals are identical.

The spelling of 1667284998 in words is "one billion, six hundred sixty-seven million, two hundred eighty-four thousand, nine hundred ninety-eight".