1401556060066 has 16 divisors (see below), whose sum is σ = 2112272563680. Its totient is φ = 697471014240.

The previous prime is 1401556060063. The next prime is 1401556060117. The reversal of 1401556060066 is 6600606551041.

It is not an unprimeable number, because it can be changed into a prime (1401556060061) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 968856 + ... + 1934371.

It is an arithmetic number, because the mean of its divisors is an integer number (132017035230).

Almost surely, 2^{1401556060066} is an apocalyptic number.

1401556060066 is a deficient number, since it is larger than the sum of its proper divisors (710716503614).

1401556060066 is a wasteful number, since it uses less digits than its factorization.

1401556060066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2904369.

The product of its (nonzero) digits is 129600, while the sum is 40.

The spelling of 1401556060066 in words is "one trillion, four hundred one billion, five hundred fifty-six million, sixty thousand, sixty-six".