206461560 has 32 divisors (see below), whose sum is σ = 619385040. Its totient is φ = 55056384.

The previous prime is 206461559. The next prime is 206461561. The reversal of 206461560 is 65164602.

206461560 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (206461559) and next prime (206461561).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (206461561) 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, 860137 + ... + 860376.

Almost surely, 2^206461560 is an apocalyptic number.

206461560 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

206461560 is an abundant number, since it is smaller than the sum of its proper divisors (412923480).

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

206461560 is a wasteful number, since it uses less digits than its factorization.

206461560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1720527 (or 1720523 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 30.

The square root of 206461560 is about 14368.7703022910. The cubic root of 206461560 is about 591.0348209132.

It can be divided in two parts, 2064615 and 60, that multiplied together give a square (123876900 = 11130²).

The spelling of 206461560 in words is "two hundred six million, four hundred sixty-one thousand, five hundred sixty".