140741417661 has 16 divisors (see below), whose sum is σ = 208609282560. Its totient is φ = 83816228160.

The previous prime is 140741417647. The next prime is 140741417671. The reversal of 140741417661 is 166714147041.

It is not a de Polignac number, because 140741417661 - 2⁹ = 140741417149 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140741417671) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 58204506 + ... + 58206923.

It is an arithmetic number, because the mean of its divisors is an integer number (13038080160).

Almost surely, 2^140741417661 is an apocalyptic number.

It is an amenable number.

140741417661 is a deficient number, since it is larger than the sum of its proper divisors (67867864899).

140741417661 is a wasteful number, since it uses less digits than its factorization.

140741417661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116411476.

The product of its (nonzero) digits is 112896, while the sum is 42.

The spelling of 140741417661 in words is "one hundred forty billion, seven hundred forty-one million, four hundred seventeen thousand, six hundred sixty-one".