10191591406 has 8 divisors (see below), whose sum is σ = 15329971440. Its totient is φ = 5081600928.

The previous prime is 10191591323. The next prime is 10191591419. The reversal of 10191591406 is 60419519101.

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

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, 7096491 + ... + 7097926.

It is an arithmetic number, because the mean of its divisors is an integer number (1916246430).

Almost surely, 2^10191591406 is an apocalyptic number.

10191591406 is a deficient number, since it is larger than the sum of its proper divisors (5138380034).

10191591406 is a wasteful number, since it uses less digits than its factorization.

10191591406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14194778.

The product of its (nonzero) digits is 9720, while the sum is 37.

The spelling of 10191591406 in words is "ten billion, one hundred ninety-one million, five hundred ninety-one thousand, four hundred six".