206551494 has 48 divisors (see below), whose sum is σ = 458080272. Its totient is φ = 67239744.

The previous prime is 206551483. The next prime is 206551537. The reversal of 206551494 is 494155602.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 302077 + ... + 302759.

It is an arithmetic number, because the mean of its divisors is an integer number (9543339).

Almost surely, 2^206551494 is an apocalyptic number.

206551494 is an abundant number, since it is smaller than the sum of its proper divisors (251528778).

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

206551494 is a wasteful number, since it uses less digits than its factorization.

206551494 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1061 (or 1058 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 36.

The square root of 206551494 is about 14371.8994569264. The cubic root of 206551494 is about 591.1206260861.

The spelling of 206551494 in words is "two hundred six million, five hundred fifty-one thousand, four hundred ninety-four".