1672563331 has 16 divisors (see below), whose sum is σ = 1806312960. Its totient is φ = 1543877280.

The previous prime is 1672563317. The next prime is 1672563353. The reversal of 1672563331 is 1333652761.

It is a cyclic number.

It is not a de Polignac number, because 1672563331 - 2⁹ = 1672562819 is a prime.

It is a super-3 number, since 3×1672563331³ (a number of 29 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1672563301) 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, 117270 + ... + 130756.

It is an arithmetic number, because the mean of its divisors is an integer number (112894560).

Almost surely, 2^1672563331 is an apocalyptic number.

1672563331 is a deficient number, since it is larger than the sum of its proper divisors (133749629).

1672563331 is a wasteful number, since it uses less digits than its factorization.

1672563331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13674.

The product of its digits is 68040, while the sum is 37.

The square root of 1672563331 is about 40896.9843753791. The cubic root of 1672563331 is about 1187.0277094494.

The spelling of 1672563331 in words is "one billion, six hundred seventy-two million, five hundred sixty-three thousand, three hundred thirty-one".