1406660550143 has 8 divisors (see below), whose sum is σ = 1482715378800. Its totient is φ = 1330807727808.

The previous prime is 1406660550137. The next prime is 1406660550173. The reversal of 1406660550143 is 3410550666041.

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 1406660550143 - 2¹² = 1406660546047 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1406660550143.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1406660550103) 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, 50487278 + ... + 50515131.

It is an arithmetic number, because the mean of its divisors is an integer number (185339422350).

Almost surely, 2^{1406660550143} is an apocalyptic number.

1406660550143 is a deficient number, since it is larger than the sum of its proper divisors (76054828657).

1406660550143 is a wasteful number, since it uses less digits than its factorization.

1406660550143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101003161.

The product of its (nonzero) digits is 259200, while the sum is 41.

The spelling of 1406660550143 in words is "one trillion, four hundred six billion, six hundred sixty million, five hundred fifty thousand, one hundred forty-three".