2001667495 has 8 divisors (see below), whose sum is σ = 2425322016. Its totient is φ = 1585786656.

The previous prime is 2001667457. The next prime is 2001667523. The reversal of 2001667495 is 5947661002.

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

It is a cyclic number.

It is not a de Polignac number, because 2001667495 - 2⁹ = 2001666983 is a prime.

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, 1942852 + ... + 1943881.

It is an arithmetic number, because the mean of its divisors is an integer number (303165252).

Almost surely, 2^2001667495 is an apocalyptic number.

2001667495 is a deficient number, since it is larger than the sum of its proper divisors (423654521).

2001667495 is a wasteful number, since it uses less digits than its factorization.

2001667495 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3886841.

The product of its (nonzero) digits is 90720, while the sum is 40.

The square root of 2001667495 is about 44739.9988265534. The cubic root of 2001667495 is about 1260.2711046357.

The spelling of 2001667495 in words is "two billion, one million, six hundred sixty-seven thousand, four hundred ninety-five".