1416646561000 has 64 divisors (see below), whose sum is σ = 3616312340160. Its totient is φ = 515144200000.

The previous prime is 1416646560943. The next prime is 1416646561007. The reversal of 1416646561000 is 1656466141.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is not an unprimeable number, because it can be changed into a prime (1416646561007) 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, 64382026 + ... + 64404025.

It is an arithmetic number, because the mean of its divisors is an integer number (56504880315).

Almost surely, 2^{1416646561000} is an apocalyptic number.

1416646561000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1416646561000 is an abundant number, since it is smaller than the sum of its proper divisors (2199665779160).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1416646561000 is a wasteful number, since it uses less digits than its factorization.

1416646561000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128786083 (or 128786069 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 40.

The spelling of 1416646561000 in words is "one trillion, four hundred sixteen billion, six hundred forty-six million, five hundred sixty-one thousand".