140556336266646 has 16 divisors (see below), whose sum is σ = 312347413926000. Its totient is φ = 46852112088864.

The previous prime is 140556336266627. The next prime is 140556336266669. The reversal of 140556336266646 is 646662633655041.

It is a congruent number.

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, 1301447557971 + ... + 1301447558078.

It is an arithmetic number, because the mean of its divisors is an integer number (19521713370375).

Almost surely, 2^{140556336266646} is an apocalyptic number.

140556336266646 is an abundant number, since it is smaller than the sum of its proper divisors (171791077659354).

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

140556336266646 is a wasteful number, since it uses less digits than its factorization.

140556336266646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2602895116060 (or 2602895116054 counting only the distinct ones).

The product of its (nonzero) digits is 335923200, while the sum is 63.

The spelling of 140556336266646 in words is "one hundred forty trillion, five hundred fifty-six billion, three hundred thirty-six million, two hundred sixty-six thousand, six hundred forty-six".