1406116644261 has 32 divisors (see below), whose sum is σ = 2145047143680. Its totient is φ = 802598201856.

The previous prime is 1406116644203. The next prime is 1406116644271. The reversal of 1406116644261 is 1624466116041.

It is not a de Polignac number, because 1406116644261 - 2⁶ = 1406116644197 is a prime.

It is a super-2 number, since 2×1406116644261² (a number of 25 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1406116644271) 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 31 ways as a sum of consecutive naturals, for example, 114526455 + ... + 114538731.

It is an arithmetic number, because the mean of its divisors is an integer number (67032723240).

Almost surely, 2^{1406116644261} is an apocalyptic number.

It is an amenable number.

1406116644261 is a deficient number, since it is larger than the sum of its proper divisors (738930499419).

1406116644261 is a wasteful number, since it uses less digits than its factorization.

1406116644261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17933.

The product of its (nonzero) digits is 165888, while the sum is 42.

The spelling of 1406116644261 in words is "one trillion, four hundred six billion, one hundred sixteen million, six hundred forty-four thousand, two hundred sixty-one".