1401216615166 has 16 divisors (see below), whose sum is σ = 2103922782864. Its totient is φ = 699909133504.

The previous prime is 1401216615151. The next prime is 1401216615191. The reversal of 1401216615166 is 6615166121041.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36166281 + ... + 36205003.

It is an arithmetic number, because the mean of its divisors is an integer number (131495173929).

Almost surely, 2^{1401216615166} is an apocalyptic number.

1401216615166 is a deficient number, since it is larger than the sum of its proper divisors (702706167698).

1401216615166 is a wasteful number, since it uses less digits than its factorization.

1401216615166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56315.

The product of its (nonzero) digits is 51840, while the sum is 40.

The spelling of 1401216615166 in words is "one trillion, four hundred one billion, two hundred sixteen million, six hundred fifteen thousand, one hundred sixty-six".