40116510663 has 4 divisors (see below), whose sum is σ = 53488680888. Its totient is φ = 26744340440.

The previous prime is 40116510661. The next prime is 40116510677. The reversal of 40116510663 is 36601561104.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 40116510663 - 2¹ = 40116510661 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40116510661) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6686085108 + ... + 6686085113.

It is an arithmetic number, because the mean of its divisors is an integer number (13372170222).

Almost surely, 2^40116510663 is an apocalyptic number.

40116510663 is a deficient number, since it is larger than the sum of its proper divisors (13372170225).

40116510663 is a wasteful number, since it uses less digits than its factorization.

40116510663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13372170224.

The product of its (nonzero) digits is 12960, while the sum is 33.

The spelling of 40116510663 in words is "forty billion, one hundred sixteen million, five hundred ten thousand, six hundred sixty-three".