16406265441 has 8 divisors (see below), whose sum is σ = 21878385984. Its totient is φ = 10935827600.

The previous prime is 16406265437. The next prime is 16406265443. The reversal of 16406265441 is 14456260461.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 16406265441 - 2² = 16406265437 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 16406265441.

It is not an unprimeable number, because it can be changed into a prime (16406265443) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 397746 + ... + 437051.

It is an arithmetic number, because the mean of its divisors is an integer number (2734798248).

Almost surely, 2^16406265441 is an apocalyptic number.

It is an amenable number.

16406265441 is a deficient number, since it is larger than the sum of its proper divisors (5472120543).

16406265441 is an equidigital number, since it uses as much as digits as its factorization.

16406265441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 841351.

The product of its (nonzero) digits is 138240, while the sum is 39.

It can be divided in two parts, 164062 and 65441, that added together give a triangular number (229503 = T₆₇₇).

The spelling of 16406265441 in words is "sixteen billion, four hundred six million, two hundred sixty-five thousand, four hundred forty-one".