1416888561 has 16 divisors (see below), whose sum is σ = 2064005568. Its totient is φ = 857438400.

The previous prime is 1416888547. The next prime is 1416888563. The reversal of 1416888561 is 1658886141.

It is not a de Polignac number, because 1416888561 - 2⁷ = 1416888433 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1416888561.

It is not an unprimeable number, because it can be changed into a prime (1416888563) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9370 + ... + 54051.

It is an arithmetic number, because the mean of its divisors is an integer number (129000348).

Almost surely, 2^1416888561 is an apocalyptic number.

1416888561 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1416888561 is a deficient number, since it is larger than the sum of its proper divisors (647117007).

1416888561 is a wasteful number, since it uses less digits than its factorization.

1416888561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64112.

The product of its digits is 368640, while the sum is 48.

The square root of 1416888561 is about 37641.5802139071. The cubic root of 1416888561 is about 1123.1693184996.

The spelling of 1416888561 in words is "one billion, four hundred sixteen million, eight hundred eighty-eight thousand, five hundred sixty-one".