207158920206 has 32 divisors (see below), whose sum is σ = 473520307968. Its totient is φ = 59186487360.

The previous prime is 207158920181. The next prime is 207158920211. The reversal of 207158920206 is 602029851702.

It is a Harshad number since it is a multiple of its sum of digits (42).

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, 2081746 + ... + 2178986.

It is an arithmetic number, because the mean of its divisors is an integer number (14797509624).

Almost surely, 2^207158920206 is an apocalyptic number.

207158920206 is an abundant number, since it is smaller than the sum of its proper divisors (266361387762).

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

207158920206 is a wasteful number, since it uses less digits than its factorization.

207158920206 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 147976.

The product of its (nonzero) digits is 120960, while the sum is 42.

The spelling of 207158920206 in words is "two hundred seven billion, one hundred fifty-eight million, nine hundred twenty thousand, two hundred six".