1672132205 has 16 divisors (see below), whose sum is σ = 2017343664. Its totient is φ = 1330536960.

The previous prime is 1672132201. The next prime is 1672132237. The reversal of 1672132205 is 5022312761.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 508367209 + 1163764996 = 22547^2 + 34114^2 .

It is not a de Polignac number, because 1672132205 - 2² = 1672132201 is a prime.

It is a super-2 number, since 2×1672132205² = 5592052221996324050, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1672132201) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 970745 + ... + 972465.

It is an arithmetic number, because the mean of its divisors is an integer number (126083979).

Almost surely, 2^1672132205 is an apocalyptic number.

It is an amenable number.

1672132205 is a deficient number, since it is larger than the sum of its proper divisors (345211459).

1672132205 is a wasteful number, since it uses less digits than its factorization.

1672132205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2656.

The product of its (nonzero) digits is 5040, while the sum is 29.

The square root of 1672132205 is about 40891.7131580471. The cubic root of 1672132205 is about 1186.9257098269.

Adding to 1672132205 its reverse (5022312761), we get a palindrome (6694444966).

The spelling of 1672132205 in words is "one billion, six hundred seventy-two million, one hundred thirty-two thousand, two hundred five".