4006552971655 has 16 divisors (see below), whose sum is σ = 5178711121920. Its totient is φ = 2958107044608.

The previous prime is 4006552971653. The next prime is 4006552971661. The reversal of 4006552971655 is 5561792556004.

4006552971655 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 4006552971655 - 2¹ = 4006552971653 is a prime.

It is a super-2 number, since 2×4006552971655² (a number of 26 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 4006552971596 and 4006552971605.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4006552971653) 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, 5687902 + ... + 6353371.

It is an arithmetic number, because the mean of its divisors is an integer number (323669445120).

Almost surely, 2^{4006552971655} is an apocalyptic number.

4006552971655 is a deficient number, since it is larger than the sum of its proper divisors (1172158150265).

4006552971655 is a wasteful number, since it uses less digits than its factorization.

4006552971655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12046410.

The product of its (nonzero) digits is 11340000, while the sum is 55.

The spelling of 4006552971655 in words is "four trillion, six billion, five hundred fifty-two million, nine hundred seventy-one thousand, six hundred fifty-five".