2061671507 has 8 divisors (see below), whose sum is σ = 2410991616. Its totient is φ = 1726050312.

The previous prime is 2061671501. The next prime is 2061671519. The reversal of 2061671507 is 7051761602.

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

It is not a de Polignac number, because 2061671507 - 2¹⁰ = 2061670483 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2061671501) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3424403 + ... + 3425004.

It is an arithmetic number, because the mean of its divisors is an integer number (301373952).

Almost surely, 2^2061671507 is an apocalyptic number.

2061671507 is a deficient number, since it is larger than the sum of its proper divisors (349320109).

2061671507 is an equidigital number, since it uses as much as digits as its factorization.

2061671507 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6849457.

The product of its (nonzero) digits is 17640, while the sum is 35.

The square root of 2061671507 is about 45405.6329875490. The cubic root of 2061671507 is about 1272.7403795523.

The spelling of 2061671507 in words is "two billion, sixty-one million, six hundred seventy-one thousand, five hundred seven".