66863098 has 8 divisors (see below), whose sum is σ = 100341108. Its totient is φ = 33416064.

The previous prime is 66863039. The next prime is 66863129. The reversal of 66863098 is 89036866.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 66145689 + 717409 = 8133^2 + 847^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a zygodrome in base 4.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1261 + ... + 11632.

Almost surely, 2^66863098 is an apocalyptic number.

66863098 is a deficient number, since it is larger than the sum of its proper divisors (33478010).

66863098 is a wasteful number, since it uses less digits than its factorization.

66863098 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15488.

The product of its (nonzero) digits is 373248, while the sum is 46.

The square root of 66863098 is about 8176.9858750031. The cubic root of 66863098 is about 405.8779875541.

The spelling of 66863098 in words is "sixty-six million, eight hundred sixty-three thousand, ninety-eight".