46645236554661 has 24 divisors (see below), whose sum is σ = 67625171021304. Its totient is φ = 30982049550720.

The previous prime is 46645236554641. The next prime is 46645236554801. The reversal of 46645236554661 is 16645563254664.

46645236554661 is a `hidden beast` number, since 4 + 6 + 6 + 4 + 5 + 23 + 6 + 5 + 546 + 61 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 1275838020900 + 45369398533761 = 1129530^2 + 6735681^2 .

It is not a de Polignac number, because 46645236554661 - 2⁶ = 46645236554597 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (46645236554641) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 30253231 + ... + 31757651.

It is an arithmetic number, because the mean of its divisors is an integer number (2817715459221).

Almost surely, 2^{46645236554661} is an apocalyptic number.

It is an amenable number.

46645236554661 is a deficient number, since it is larger than the sum of its proper divisors (20979934466643).

46645236554661 is a wasteful number, since it uses less digits than its factorization.

46645236554661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1517141 (or 1517138 counting only the distinct ones).

The product of its digits is 373248000, while the sum is 63.

The spelling of 46645236554661 in words is "forty-six trillion, six hundred forty-five billion, two hundred thirty-six million, five hundred fifty-four thousand, six hundred sixty-one".