1146785620661 has 8 divisors (see below), whose sum is σ = 1157570504064. Its totient is φ = 1136001983040.

The previous prime is 1146785620639. The next prime is 1146785620667. The reversal of 1146785620661 is 1660265876411.

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

It is a cyclic number.

It is not a de Polignac number, because 1146785620661 - 2²⁶ = 1146718511797 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1146785620667) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1592756 + ... + 2197826.

It is an arithmetic number, because the mean of its divisors is an integer number (144696313008).

Almost surely, 2^{1146785620661} is an apocalyptic number.

It is an amenable number.

1146785620661 is a deficient number, since it is larger than the sum of its proper divisors (10784883403).

1146785620661 is a wasteful number, since it uses less digits than its factorization.

1146785620661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 622891.

The product of its (nonzero) digits is 2903040, while the sum is 53.

It can be divided in two parts, 114678 and 5620661, that added together give a cube (5735339 = 179³).

The spelling of 1146785620661 in words is "one trillion, one hundred forty-six billion, seven hundred eighty-five million, six hundred twenty thousand, six hundred sixty-one".