1417827401661 has 16 divisors (see below), whose sum is σ = 2062319228928. Its totient is φ = 859278990000.

The previous prime is 1417827401659. The next prime is 1417827401663. The reversal of 1417827401661 is 1661047287141.

It is an interprime number because it is at equal distance from previous prime (1417827401659) and next prime (1417827401663).

It is not a de Polignac number, because 1417827401661 - 2¹ = 1417827401659 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1417827401661.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1417827401663) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3224286 + ... + 3637536.

It is an arithmetic number, because the mean of its divisors is an integer number (128894951808).

Almost surely, 2^{1417827401661} is an apocalyptic number.

1417827401661 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1417827401661 is a deficient number, since it is larger than the sum of its proper divisors (644491827267).

1417827401661 is a wasteful number, since it uses less digits than its factorization.

1417827401661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 517232.

The product of its (nonzero) digits is 451584, while the sum is 48.

The spelling of 1417827401661 in words is "one trillion, four hundred seventeen billion, eight hundred twenty-seven million, four hundred one thousand, six hundred sixty-one".