20116765246665 has 8 divisors (see below), whose sum is σ = 32186824394688. Its totient is φ = 10728941464880.

The previous prime is 20116765246651. The next prime is 20116765246759. The reversal of 20116765246665 is 56664256761102.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 20116765246665 - 2¹⁶ = 20116765181129 is a prime.

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, 670558841541 + ... + 670558841570.

It is an arithmetic number, because the mean of its divisors is an integer number (4023353049336).

Almost surely, 2^{20116765246665} is an apocalyptic number.

It is an amenable number.

20116765246665 is a deficient number, since it is larger than the sum of its proper divisors (12070059148023).

20116765246665 is a wasteful number, since it uses less digits than its factorization.

20116765246665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1341117683119.

The product of its (nonzero) digits is 21772800, while the sum is 57.

The spelling of 20116765246665 in words is "twenty trillion, one hundred sixteen billion, seven hundred sixty-five million, two hundred forty-six thousand, six hundred sixty-five".