207718916042 has 16 divisors (see below), whose sum is σ = 339923152800. Its totient is φ = 94412280240.

The previous prime is 207718916003. The next prime is 207718916117. The reversal of 207718916042 is 240619817702.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 135884 + ... + 658712.

It is an arithmetic number, because the mean of its divisors is an integer number (21245197050).

Almost surely, 2^207718916042 is an apocalyptic number.

207718916042 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

207718916042 is a deficient number, since it is larger than the sum of its proper divisors (132204236758).

207718916042 is a wasteful number, since it uses less digits than its factorization.

207718916042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 540901.

The product of its (nonzero) digits is 338688, while the sum is 47.

The spelling of 207718916042 in words is "two hundred seven billion, seven hundred eighteen million, nine hundred sixteen thousand, forty-two".