4397157668406 has 8 divisors (see below), whose sum is σ = 8794315336824. Its totient is φ = 1465719222800.

The previous prime is 4397157668389. The next prime is 4397157668417. The reversal of 4397157668406 is 6048667517934.

It is a sphenic number, since it is the product of 3 distinct primes.

4397157668406 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 366429805695 + ... + 366429805706.

It is an arithmetic number, because the mean of its divisors is an integer number (1099289417103).

Almost surely, 2^{4397157668406} is an apocalyptic number.

4397157668406 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4397157668406 is a wasteful number, since it uses less digits than its factorization.

4397157668406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 732859611406.

The product of its (nonzero) digits is 182891520, while the sum is 66.

The spelling of 4397157668406 in words is "four trillion, three hundred ninety-seven billion, one hundred fifty-seven million, six hundred sixty-eight thousand, four hundred six".