1632812061 has 4 divisors (see below), whose sum is σ = 2177082752. Its totient is φ = 1088541372.

The previous prime is 1632812059. The next prime is 1632812081. The reversal of 1632812061 is 1602182361.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 1632812061 - 2¹ = 1632812059 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1632812081) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 272135341 + ... + 272135346.

It is an arithmetic number, because the mean of its divisors is an integer number (544270688).

Almost surely, 2^1632812061 is an apocalyptic number.

It is an amenable number.

1632812061 is a deficient number, since it is larger than the sum of its proper divisors (544270691).

1632812061 is an equidigital number, since it uses as much as digits as its factorization.

1632812061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 544270690.

The product of its (nonzero) digits is 3456, while the sum is 30.

The square root of 1632812061 is about 40408.0692560286. The cubic root of 1632812061 is about 1177.5483092860.

The spelling of 1632812061 in words is "one billion, six hundred thirty-two million, eight hundred twelve thousand, sixty-one".