4640666846157 has 24 divisors (see below), whose sum is σ = 6803394124800. Its totient is φ = 3047529925440.

The previous prime is 4640666846119. The next prime is 4640666846201. The reversal of 4640666846157 is 7516486660464.

It is a happy number.

It is not a de Polignac number, because 4640666846157 - 2¹¹ = 4640666844109 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 4640666846094 and 4640666846103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4640666846117) 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, 39999969 + ... + 40115817.

It is an arithmetic number, because the mean of its divisors is an integer number (283474755200).

Almost surely, 2^{4640666846157} is an apocalyptic number.

It is an amenable number.

4640666846157 is a deficient number, since it is larger than the sum of its proper divisors (2162727278643).

4640666846157 is a wasteful number, since it uses less digits than its factorization.

4640666846157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 182353 (or 182350 counting only the distinct ones).

The product of its (nonzero) digits is 139345920, while the sum is 63.

The spelling of 4640666846157 in words is "four trillion, six hundred forty billion, six hundred sixty-six million, eight hundred forty-six thousand, one hundred fifty-seven".