140366164665 has 32 divisors (see below), whose sum is σ = 226280609280. Its totient is φ = 74297309184.

The previous prime is 140366164651. The next prime is 140366164669. The reversal of 140366164665 is 566461663041.

It is not a de Polignac number, because 140366164665 - 2⁴ = 140366164649 is a prime.

It is not an unprimeable number, because it can be changed into a prime (140366164669) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 14497296 + ... + 14506974.

It is an arithmetic number, because the mean of its divisors is an integer number (7071269040).

Almost surely, 2^140366164665 is an apocalyptic number.

140366164665 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

140366164665 is a deficient number, since it is larger than the sum of its proper divisors (85914444615).

140366164665 is a wasteful number, since it uses less digits than its factorization.

140366164665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16881.

The product of its (nonzero) digits is 1866240, while the sum is 48.

The spelling of 140366164665 in words is "one hundred forty billion, three hundred sixty-six million, one hundred sixty-four thousand, six hundred sixty-five".