206070126786 has 32 divisors (see below), whose sum is σ = 459425292480. Its totient is φ = 68466290688.

The previous prime is 206070126763. The next prime is 206070126799. The reversal of 206070126786 is 687621070602.

206070126786 is a `hidden beast` number, since 20 + 607 + 0 + 12 + 6 + 7 + 8 + 6 = 666.

It is a super-2 number, since 2×206070126786² (a number of 23 digits) contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6198591 + ... + 6231746.

It is an arithmetic number, because the mean of its divisors is an integer number (14357040390).

Almost surely, 2^206070126786 is an apocalyptic number.

206070126786 is an abundant number, since it is smaller than the sum of its proper divisors (253355165694).

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

206070126786 is a wasteful number, since it uses less digits than its factorization.

206070126786 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12430655 (or 12430649 counting only the distinct ones).

The product of its (nonzero) digits is 338688, while the sum is 45.

The spelling of 206070126786 in words is "two hundred six billion, seventy million, one hundred twenty-six thousand, seven hundred eighty-six".