106381615 has 8 divisors (see below), whose sum is σ = 131776128. Its totient is φ = 82359840.

The previous prime is 106381603. The next prime is 106381663. The reversal of 106381615 is 516183601.

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

It is not a de Polignac number, because 106381615 - 2⁷ = 106381487 is a prime.

It is a super-2 number, since 2×106381615² = 22634096020016450, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 343012 + ... + 343321.

It is an arithmetic number, because the mean of its divisors is an integer number (16472016).

Almost surely, 2^106381615 is an apocalyptic number.

106381615 is a deficient number, since it is larger than the sum of its proper divisors (25394513).

106381615 is an equidigital number, since it uses as much as digits as its factorization.

106381615 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 686369.

The product of its (nonzero) digits is 4320, while the sum is 31.

The square root of 106381615 is about 10314.1463534313. The cubic root of 106381615 is about 473.8296060675.

The spelling of 106381615 in words is "one hundred six million, three hundred eighty-one thousand, six hundred fifteen".