265870765016 has 8 divisors (see below), whose sum is σ = 498507684420. Its totient is φ = 132935382504.

The previous prime is 265870764997. The next prime is 265870765019. The reversal of 265870765016 is 610567078562.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (265870765019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16616922806 + ... + 16616922821.

Almost surely, 2^265870765016 is an apocalyptic number.

It is an amenable number.

265870765016 is a deficient number, since it is larger than the sum of its proper divisors (232636919404).

265870765016 is a wasteful number, since it uses less digits than its factorization.

265870765016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33233845633 (or 33233845629 counting only the distinct ones).

The product of its (nonzero) digits is 4233600, while the sum is 53.

The spelling of 265870765016 in words is "two hundred sixty-five billion, eight hundred seventy million, seven hundred sixty-five thousand, sixteen".