1671496697 has 12 divisors (see below), whose sum is σ = 1835469504. Its totient is φ = 1521177840.

The previous prime is 1671496681. The next prime is 1671496753. The reversal of 1671496697 is 7966941761.

It is a happy number.

It is not a de Polignac number, because 1671496697 - 2⁴ = 1671496681 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1671496397) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 57653 + ... + 81650.

It is an arithmetic number, because the mean of its divisors is an integer number (152955792).

Almost surely, 2^1671496697 is an apocalyptic number.

It is an amenable number.

1671496697 is a deficient number, since it is larger than the sum of its proper divisors (163972807).

1671496697 is a wasteful number, since it uses less digits than its factorization.

1671496697 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 139400 (or 139387 counting only the distinct ones).

The product of its digits is 3429216, while the sum is 56.

The square root of 1671496697 is about 40883.9417987062. The cubic root of 1671496697 is about 1186.7753237188.

The spelling of 1671496697 in words is "one billion, six hundred seventy-one million, four hundred ninety-six thousand, six hundred ninety-seven".