140661560206 has 8 divisors (see below), whose sum is σ = 214973328024. Its totient is φ = 69003784200.

The previous prime is 140661560203. The next prime is 140661560231. The reversal of 140661560206 is 602065166041.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140661560203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 663497820 + ... + 663498031.

It is an arithmetic number, because the mean of its divisors is an integer number (26871666003).

Almost surely, 2^140661560206 is an apocalyptic number.

140661560206 is a deficient number, since it is larger than the sum of its proper divisors (74311767818).

140661560206 is a wasteful number, since it uses less digits than its factorization.

140661560206 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1326995906.

The product of its (nonzero) digits is 51840, while the sum is 37.

The spelling of 140661560206 in words is "one hundred forty billion, six hundred sixty-one million, five hundred sixty thousand, two hundred six".