206612507274 has 16 divisors (see below), whose sum is σ = 413269026912. Its totient is φ = 68863500368.

The previous prime is 206612507261. The next prime is 206612507279. The reversal of 206612507274 is 472705216602.

It is a super-2 number, since 2×206612507274² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (206612507279) 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, 1772664 + ... + 1885619.

It is an arithmetic number, because the mean of its divisors is an integer number (25829314182).

Almost surely, 2^206612507274 is an apocalyptic number.

206612507274 is an abundant number, since it is smaller than the sum of its proper divisors (206656519638).

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

206612507274 is a wasteful number, since it uses less digits than its factorization.

206612507274 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3667701.

The product of its (nonzero) digits is 282240, while the sum is 42.

The spelling of 206612507274 in words is "two hundred six billion, six hundred twelve million, five hundred seven thousand, two hundred seventy-four".