1400206466621 has 16 divisors (see below), whose sum is σ = 1466826243840. Its totient is φ = 1334073438720.

The previous prime is 1400206466599. The next prime is 1400206466623. The reversal of 1400206466621 is 1266646020041.

It is a cyclic number.

It is not a de Polignac number, because 1400206466621 - 2²² = 1400202272317 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1400206466623) 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, 7367531 + ... + 7555191.

It is an arithmetic number, because the mean of its divisors is an integer number (91676640240).

Almost surely, 2^{1400206466621} is an apocalyptic number.

It is an amenable number.

1400206466621 is a deficient number, since it is larger than the sum of its proper divisors (66619777219).

1400206466621 is a wasteful number, since it uses less digits than its factorization.

1400206466621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 188956.

The product of its (nonzero) digits is 82944, while the sum is 38.

The spelling of 1400206466621 in words is "one trillion, four hundred billion, two hundred six million, four hundred sixty-six thousand, six hundred twenty-one".