206907506716416 has 144 divisors (see below), whose sum is σ = 636074615006208. Its totient is φ = 59011053568000.

The previous prime is 206907506716381. The next prime is 206907506716543. The reversal of 206907506716416 is 614617605709602.

It is a super-3 number, since 3×206907506716416³ (a number of 44 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 206907506716416.

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, 720206160 + ... + 720493391.

It is an arithmetic number, because the mean of its divisors is an integer number (4417184826432).

Almost surely, 2^{206907506716416} is an apocalyptic number.

It is an amenable number.

206907506716416 is an abundant number, since it is smaller than the sum of its proper divisors (429167108289792).

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

206907506716416 is a wasteful number, since it uses less digits than its factorization.

206907506716416 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1440699598 (or 1440699584 counting only the distinct ones).

The product of its (nonzero) digits is 22861440, while the sum is 60.

The spelling of 206907506716416 in words is "two hundred six trillion, nine hundred seven billion, five hundred six million, seven hundred sixteen thousand, four hundred sixteen".