1671616007 has 8 divisors (see below), whose sum is σ = 1772176512. Its totient is φ = 1573970400.

The previous prime is 1671615997. The next prime is 1671616073. The reversal of 1671616007 is 7006161761.

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 1671616007 - 2¹² = 1671611911 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1671616097) 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, 727544 + ... + 729837.

It is an arithmetic number, because the mean of its divisors is an integer number (221522064).

Almost surely, 2^1671616007 is an apocalyptic number.

1671616007 is a deficient number, since it is larger than the sum of its proper divisors (100560505).

1671616007 is a wasteful number, since it uses less digits than its factorization.

1671616007 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1457449.

The product of its (nonzero) digits is 10584, while the sum is 35.

The square root of 1671616007 is about 40885.4009030118. The cubic root of 1671616007 is about 1186.8035600484.

Adding to 1671616007 its reverse (7006161761), we get a palindrome (8677777768).

It can be divided in two parts, 16716 and 16007, that added together give a palindrome (32723).

The spelling of 1671616007 in words is "one billion, six hundred seventy-one million, six hundred sixteen thousand, seven".