1066500401415 has 16 divisors (see below), whose sum is σ = 1723295700576. Its totient is φ = 563168528000.

The previous prime is 1066500401381. The next prime is 1066500401459. The reversal of 1066500401415 is 5141040056601.

It is not a de Polignac number, because 1066500401415 - 2¹³ = 1066500393223 is a prime.

It is a super-2 number, since 2×1066500401415² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 351978816 + ... + 351981845.

It is an arithmetic number, because the mean of its divisors is an integer number (107705981286).

Almost surely, 2^{1066500401415} is an apocalyptic number.

1066500401415 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1066500401415 is a deficient number, since it is larger than the sum of its proper divisors (656795299161).

1066500401415 is a wasteful number, since it uses less digits than its factorization.

1066500401415 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 703960770.

The product of its (nonzero) digits is 14400, while the sum is 33.

The spelling of 1066500401415 in words is "one trillion, sixty-six billion, five hundred million, four hundred one thousand, four hundred fifteen".