106191613 has 8 divisors (see below), whose sum is σ = 116731296. Its totient is φ = 95799600.

The previous prime is 106191601. The next prime is 106191619. The reversal of 106191613 is 316191601.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-106191613 is a prime.

It is a super-2 number, since 2×106191613² = 22553317343083538, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (106191619) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35406 + ... + 38287.

It is an arithmetic number, because the mean of its divisors is an integer number (14591412).

Almost surely, 2^106191613 is an apocalyptic number.

It is an amenable number.

106191613 is a deficient number, since it is larger than the sum of its proper divisors (10539683).

106191613 is a wasteful number, since it uses less digits than its factorization.

106191613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73835.

The product of its (nonzero) digits is 972, while the sum is 28.

The square root of 106191613 is about 10304.9314893404. The cubic root of 106191613 is about 473.5473448130.

The spelling of 106191613 in words is "one hundred six million, one hundred ninety-one thousand, six hundred thirteen".