406051101666111 has 32 divisors (see below), whose sum is σ = 593129020135680. Its totient is φ = 245047460544000.

The previous prime is 406051101666043. The next prime is 406051101666127. The reversal of 406051101666111 is 111666101150604.

It is not a de Polignac number, because 406051101666111 - 2⁷ = 406051101665983 is a prime.

It is a super-2 number, since 2×406051101666111² (a number of 30 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 406051101666111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (406051101666011) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5870941 + ... + 29095878.

It is an arithmetic number, because the mean of its divisors is an integer number (18535281879240).

Almost surely, 2^{406051101666111} is an apocalyptic number.

406051101666111 is a deficient number, since it is larger than the sum of its proper divisors (187077918469569).

406051101666111 is a wasteful number, since it uses less digits than its factorization.

406051101666111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34968327.

The product of its (nonzero) digits is 25920, while the sum is 39.

The spelling of 406051101666111 in words is "four hundred six trillion, fifty-one billion, one hundred one million, six hundred sixty-six thousand, one hundred eleven".