658961098 has 16 divisors (see below), whose sum is σ = 992865600. Its totient is φ = 328010176.

The previous prime is 658961027. The next prime is 658961099. The reversal of 658961098 is 890169856.

It is an alternating number because its digits alternate between even and odd.

It is not an unprimeable number, because it can be changed into a prime (658961099) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 673986 + ... + 674962.

It is an arithmetic number, because the mean of its divisors is an integer number (62054100).

Almost surely, 2^658961098 is an apocalyptic number.

658961098 is a deficient number, since it is larger than the sum of its proper divisors (333904502).

658961098 is a wasteful number, since it uses less digits than its factorization.

658961098 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2141.

The product of its (nonzero) digits is 933120, while the sum is 52.

The square root of 658961098 is about 25670.2375914209. The cubic root of 658961098 is about 870.2016963110.

The spelling of 658961098 in words is "six hundred fifty-eight million, nine hundred sixty-one thousand, ninety-eight".