4641661898406 has 96 divisors (see below), whose sum is σ = 10847558598240. Its totient is φ = 1425961884672.

The previous prime is 4641661898371. The next prime is 4641661898441. The reversal of 4641661898406 is 6048981661464.

4641661898406 is a `hidden beast` number, since 4 + 6 + 4 + 1 + 6 + 618 + 9 + 8 + 4 + 0 + 6 = 666.

It is an interprime number because it is at equal distance from previous prime (4641661898371) and next prime (4641661898441).

It is a super-2 number, since 2×4641661898406² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 468518505 + ... + 468528411.

It is an arithmetic number, because the mean of its divisors is an integer number (112995402065).

Almost surely, 2^{4641661898406} is an apocalyptic number.

4641661898406 is an abundant number, since it is smaller than the sum of its proper divisors (6205896699834).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4641661898406 is a wasteful number, since it uses less digits than its factorization.

4641661898406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12870 (or 12867 counting only the distinct ones).

The product of its (nonzero) digits is 47775744, while the sum is 63.

The spelling of 4641661898406 in words is "four trillion, six hundred forty-one billion, six hundred sixty-one million, eight hundred ninety-eight thousand, four hundred six".