140216654655 has 192 divisors, whose sum is σ = 314976549888. Its totient is φ = 56009594880.

The previous prime is 140216654639. The next prime is 140216654657. The reversal of 140216654655 is 556456612041.

140216654655 is a `hidden beast` number, since 1 + 40 + 2 + 1 + 66 + 546 + 5 + 5 = 666.

It is not a de Polignac number, because 140216654655 - 2⁴ = 140216654639 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 140216654655.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140216654657) by changing a digit.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 10634427 + ... + 10647603.

It is an arithmetic number, because the mean of its divisors is an integer number (1640502864).

Almost surely, 2^140216654655 is an apocalyptic number.

140216654655 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

140216654655 is an abundant number, since it is smaller than the sum of its proper divisors (174759895233).

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

140216654655 is a wasteful number, since it uses less digits than its factorization.

140216654655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13326 (or 13323 counting only the distinct ones).

The product of its (nonzero) digits is 864000, while the sum is 45.

The spelling of 140216654655 in words is "one hundred forty billion, two hundred sixteen million, six hundred fifty-four thousand, six hundred fifty-five".