266863350 has 96 divisors (see below), whose sum is σ = 719953920. Its totient is φ = 65024640.

The previous prime is 266863339. The next prime is 266863367. The reversal of 266863350 is 53368662.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a junction number, because it is equal to n+sod(n) for n = 266863299 and 266863308.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 208011 + ... + 209289.

It is an arithmetic number, because the mean of its divisors is an integer number (7499520).

Almost surely, 2^266863350 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 266863350, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (359976960).

266863350 is an abundant number, since it is smaller than the sum of its proper divisors (453090570).

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

266863350 is a wasteful number, since it uses less digits than its factorization.

266863350 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1414 (or 1409 counting only the distinct ones).

The product of its (nonzero) digits is 155520, while the sum is 39.

The square root of 266863350 is about 16335.9526811264. The cubic root of 266863350 is about 643.8177972395.

The spelling of 266863350 in words is "two hundred sixty-six million, eight hundred sixty-three thousand, three hundred fifty".