2116430426061 has 48 divisors (see below), whose sum is σ = 3543164651520. Its totient is φ = 1192409648640.

The previous prime is 2116430426017. The next prime is 2116430426107. The reversal of 2116430426061 is 1606240346112.

2116430426061 is a `hidden beast` number, since 2 + 1 + 1 + 6 + 4 + 3 + 0 + 42 + 606 + 1 = 666.

It is not a de Polignac number, because 2116430426061 - 2¹¹ = 2116430424013 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2116430422061) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 581475 + ... + 2137983.

It is an arithmetic number, because the mean of its divisors is an integer number (73815930240).

Almost surely, 2^{2116430426061} is an apocalyptic number.

2116430426061 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

2116430426061 is a deficient number, since it is larger than the sum of its proper divisors (1426734225459).

2116430426061 is a wasteful number, since it uses less digits than its factorization.

2116430426061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1556826 (or 1556823 counting only the distinct ones).

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

The spelling of 2116430426061 in words is "two trillion, one hundred sixteen billion, four hundred thirty million, four hundred twenty-six thousand, sixty-one".