104143153436661 has 16 divisors (see below), whose sum is σ = 139319380880064. Its totient is φ = 69197878445184.

The previous prime is 104143153436639. The next prime is 104143153436701. The reversal of 104143153436661 is 166634351341401.

It is not a de Polignac number, because 104143153436661 - 2¹³ = 104143153428469 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 104143153436661.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (104143153436611) 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, 9613255 + ... + 17340731.

It is an arithmetic number, because the mean of its divisors is an integer number (8707461305004).

Almost surely, 2^{104143153436661} is an apocalyptic number.

It is an amenable number.

104143153436661 is a deficient number, since it is larger than the sum of its proper divisors (35176227443403).

104143153436661 is a wasteful number, since it uses less digits than its factorization.

104143153436661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7742420.

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

The spelling of 104143153436661 in words is "one hundred four trillion, one hundred forty-three billion, one hundred fifty-three million, four hundred thirty-six thousand, six hundred sixty-one".