3400864151661 has 24 divisors (see below), whose sum is σ = 5095830055680. Its totient is φ = 2266561170432.

The previous prime is 3400864151609. The next prime is 3400864151689. The reversal of 3400864151661 is 1661514680043.

3400864151661 is a `hidden beast` number, since 3 + 400 + 86 + 4 + 1 + 5 + 166 + 1 = 666.

It is not a de Polignac number, because 3400864151661 - 2⁷ = 3400864151533 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3400864151561) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1293085 + ... + 2910978.

It is an arithmetic number, because the mean of its divisors is an integer number (212326252320).

Almost surely, 2^{3400864151661} is an apocalyptic number.

It is an amenable number.

3400864151661 is a deficient number, since it is larger than the sum of its proper divisors (1694965904019).

3400864151661 is an equidigital number, since it uses as much as digits as its factorization.

3400864151661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4207407 (or 4207395 counting only the distinct ones).

The product of its (nonzero) digits is 414720, while the sum is 45.

The spelling of 3400864151661 in words is "three trillion, four hundred billion, eight hundred sixty-four million, one hundred fifty-one thousand, six hundred sixty-one".