3397863167991 has 24 divisors (see below), whose sum is σ = 5141344721760. Its totient is φ = 2158322343936.

The previous prime is 3397863167989. The next prime is 3397863167999. The reversal of 3397863167991 is 1997613687933.

3397863167991 is a `hidden beast` number, since 3 + 397 + 86 + 3 + 1 + 6 + 79 + 91 = 666.

It is not a de Polignac number, because 3397863167991 - 2¹ = 3397863167989 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3397863167999) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 31882206 + ... + 31988603.

It is an arithmetic number, because the mean of its divisors is an integer number (214222696740).

Almost surely, 2^{3397863167991} is an apocalyptic number.

3397863167991 is a deficient number, since it is larger than the sum of its proper divisors (1743481553769).

3397863167991 is a wasteful number, since it uses less digits than its factorization.

3397863167991 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63871095 (or 63871092 counting only the distinct ones).

The product of its digits is 277766496, while the sum is 72.

The spelling of 3397863167991 in words is "three trillion, three hundred ninety-seven billion, eight hundred sixty-three million, one hundred sixty-seven thousand, nine hundred ninety-one".