2061458561884 has 48 divisors (see below), whose sum is σ = 3829748630400. Its totient is φ = 969240920256.

The previous prime is 2061458561881. The next prime is 2061458561891. The reversal of 2061458561884 is 4881658541602.

It is a super-2 number, since 2×2061458561884² (a number of 25 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (58) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (58).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2061458561881) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1135327 + ... + 2326345.

It is an arithmetic number, because the mean of its divisors is an integer number (79786429800).

Almost surely, 2^{2061458561884} is an apocalyptic number.

It is an amenable number.

2061458561884 is a deficient number, since it is larger than the sum of its proper divisors (1768290068516).

2061458561884 is a wasteful number, since it uses less digits than its factorization.

2061458561884 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1191442 (or 1191440 counting only the distinct ones).

The product of its (nonzero) digits is 14745600, while the sum is 58.

The spelling of 2061458561884 in words is "two trillion, sixty-one billion, four hundred fifty-eight million, five hundred sixty-one thousand, eight hundred eighty-four".