16053261861 has 192 divisors, whose sum is σ = 30152908800. Its totient is φ = 7491585024.

The previous prime is 16053261859. The next prime is 16053261863. The reversal of 16053261861 is 16816235061.

It is an interprime number because it is at equal distance from previous prime (16053261859) and next prime (16053261863).

It is not a de Polignac number, because 16053261861 - 2¹ = 16053261859 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16053261863) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 39249825 + ... + 39250233.

It is an arithmetic number, because the mean of its divisors is an integer number (157046400).

Almost surely, 2^16053261861 is an apocalyptic number.

It is an amenable number.

16053261861 is a deficient number, since it is larger than the sum of its proper divisors (14099646939).

16053261861 is a wasteful number, since it uses less digits than its factorization.

16053261861 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 528 (or 521 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 39.

The spelling of 16053261861 in words is "sixteen billion, fifty-three million, two hundred sixty-one thousand, eight hundred sixty-one".