1671091002 has 72 divisors (see below), whose sum is σ = 4433551200. Its totient is φ = 452320848.

The previous prime is 1671091001. The next prime is 1671091067. The reversal of 1671091002 is 2001901761.

It is not an unprimeable number, because it can be changed into a prime (1671091001) 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 35 ways as a sum of consecutive naturals, for example, 33102 + ... + 66617.

It is an arithmetic number, because the mean of its divisors is an integer number (61577100).

Almost surely, 2^1671091002 is an apocalyptic number.

1671091002 is an abundant number, since it is smaller than the sum of its proper divisors (2762460198).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1671091002 is a wasteful number, since it uses less digits than its factorization.

1671091002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99760 (or 99750 counting only the distinct ones).

The product of its (nonzero) digits is 756, while the sum is 27.

The square root of 1671091002 is about 40878.9799530272. The cubic root of 1671091002 is about 1186.6793004413.

Adding to 1671091002 its reverse (2001901761), we get a palindrome (3672992763).

The spelling of 1671091002 in words is "one billion, six hundred seventy-one million, ninety-one thousand, two".