1246166406001 has 32 divisors (see below), whose sum is σ = 1495214714880. Its totient is φ = 1025220240000.

The previous prime is 1246166405987. The next prime is 1246166406019. The reversal of 1246166406001 is 1006046616421.

It is not a de Polignac number, because 1246166406001 - 2³⁷ = 1108727452529 is a prime.

It is a super-2 number, since 2×1246166406001² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1246166406061) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3437461 + ... + 3782653.

It is an arithmetic number, because the mean of its divisors is an integer number (46725459840).

Almost surely, 2^{1246166406001} is an apocalyptic number.

1246166406001 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1246166406001 is a deficient number, since it is larger than the sum of its proper divisors (249048308879).

1246166406001 is a wasteful number, since it uses less digits than its factorization.

1246166406001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 345997.

The product of its (nonzero) digits is 41472, while the sum is 37.

The spelling of 1246166406001 in words is "one trillion, two hundred forty-six billion, one hundred sixty-six million, four hundred six thousand, one".