1672006651 has 8 divisors (see below), whose sum is σ = 1911388640. Its totient is φ = 1432755648.

The previous prime is 1672006649. The next prime is 1672006657. The reversal of 1672006651 is 1566002761.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1672006651 - 2¹ = 1672006649 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1672006657) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3666 + ... + 57943.

It is an arithmetic number, because the mean of its divisors is an integer number (238923580).

Almost surely, 2^1672006651 is an apocalyptic number.

1672006651 is a deficient number, since it is larger than the sum of its proper divisors (239381989).

1672006651 is an equidigital number, since it uses as much as digits as its factorization.

1672006651 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65493.

The product of its (nonzero) digits is 15120, while the sum is 34.

The square root of 1672006651 is about 40890.1779282018. The cubic root of 1672006651 is about 1186.8960018488.

The spelling of 1672006651 in words is "one billion, six hundred seventy-two million, six thousand, six hundred fifty-one".