206993161774 has 32 divisors (see below), whose sum is σ = 359297035776. Its totient is φ = 87605388000.

The previous prime is 206993161747. The next prime is 206993161783. The reversal of 206993161774 is 477161399602.

It is a congruent 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, 69399 + ... + 647149.

It is an arithmetic number, because the mean of its divisors is an integer number (11228032368).

Almost surely, 2^206993161774 is an apocalyptic number.

206993161774 is a deficient number, since it is larger than the sum of its proper divisors (152303874002).

206993161774 is a wasteful number, since it uses less digits than its factorization.

206993161774 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 578080.

The product of its (nonzero) digits is 3429216, while the sum is 55.

The spelling of 206993161774 in words is "two hundred six billion, nine hundred ninety-three million, one hundred sixty-one thousand, seven hundred seventy-four".