2366666550 has 72 divisors (see below), whose sum is σ = 6378055320. Its totient is φ = 629164800.

The previous prime is 2366666537. The next prime is 2366666563. The reversal of 2366666550 is 556666632.

It is an interprime number because it is at equal distance from previous prime (2366666537) and next prime (2366666563).

It is a super-2 number, since 2×2366666550² = 11202221117777805000, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a junction number, because it is equal to n+sod(n) for n = 2366666496 and 2366666505.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 141006 + ... + 156894.

Almost surely, 2^2366666550 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2366666550, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3189027660).

2366666550 is an abundant number, since it is smaller than the sum of its proper divisors (4011388770).

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

2366666550 is a wasteful number, since it uses less digits than its factorization.

2366666550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16238 (or 16230 counting only the distinct ones).

The product of its (nonzero) digits is 1166400, while the sum is 45.

The square root of 2366666550 is about 48648.3971986745. The cubic root of 2366666550 is about 1332.6385049870.

The spelling of 2366666550 in words is "two billion, three hundred sixty-six million, six hundred sixty-six thousand, five hundred fifty".