3366620618 has 16 divisors (see below), whose sum is σ = 5179889736. Its totient is φ = 1640098560.

The previous prime is 3366620617. The next prime is 3366620627. The reversal of 3366620618 is 8160266633.

It can be written as a sum of positive squares in 4 ways, for example, as 1174227289 + 2192393329 = 34267^2 + 46823^2 .

It is a super-2 number, since 2×3366620618² = 22668268771085403848, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (41).

It is not an unprimeable number, because it can be changed into a prime (3366620617) 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, 36830 + ... + 89942.

Almost surely, 2^3366620618 is an apocalyptic number.

3366620618 is a deficient number, since it is larger than the sum of its proper divisors (1813269118).

3366620618 is a wasteful number, since it uses less digits than its factorization.

3366620618 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53929.

The product of its (nonzero) digits is 186624, while the sum is 41.

The square root of 3366620618 is about 58022.5871363903. The cubic root of 3366620618 is about 1498.7575812887.

The spelling of 3366620618 in words is "three billion, three hundred sixty-six million, six hundred twenty thousand, six hundred eighteen".