4661640201123 has 12 divisors (see below), whose sum is σ = 6733526251608. Its totient is φ = 3107738921280.

The previous prime is 4661640201103. The next prime is 4661640201133. The reversal of 4661640201123 is 3211020461664.

4661640201123 is a `hidden beast` number, since 4 + 6 + 6 + 1 + 640 + 2 + 0 + 1 + 1 + 2 + 3 = 666.

It is not a de Polignac number, because 4661640201123 - 2⁶ = 4661640201059 is a prime.

It is a super-2 number, since 2×4661640201123² (a number of 26 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (4661640201103) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 312933 + ... + 3069398.

It is an arithmetic number, because the mean of its divisors is an integer number (561127187634).

Almost surely, 2^{4661640201123} is an apocalyptic number.

4661640201123 is a deficient number, since it is larger than the sum of its proper divisors (2071886050485).

4661640201123 is a wasteful number, since it uses less digits than its factorization.

4661640201123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3535474 (or 3535471 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 36.

Adding to 4661640201123 its reverse (3211020461664), we get a palindrome (7872660662787).

The spelling of 4661640201123 in words is "four trillion, six hundred sixty-one billion, six hundred forty million, two hundred one thousand, one hundred twenty-three".