1466667400128 has 112 divisors (see below), whose sum is σ = 4436045935104. Its totient is φ = 418941711360.

The previous prime is 1466667400123. The next prime is 1466667400139. The reversal of 1466667400128 is 8210047666641.

It is a tau number, because it is divible by the number of its divisors (112).

It is a super-2 number, since 2×1466667400128² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1466667400123) 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, 5249238 + ... + 5521578.

It is an arithmetic number, because the mean of its divisors is an integer number (39607552992).

Almost surely, 2^{1466667400128} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1466667400128, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2218022967552).

1466667400128 is an abundant number, since it is smaller than the sum of its proper divisors (2969378534976).

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

1466667400128 is a wasteful number, since it uses less digits than its factorization.

1466667400128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 276370 (or 276360 counting only the distinct ones).

The product of its (nonzero) digits is 2322432, while the sum is 51.

The spelling of 1466667400128 in words is "one trillion, four hundred sixty-six billion, six hundred sixty-seven million, four hundred thousand, one hundred twenty-eight".