1672656011 has 8 divisors (see below), whose sum is σ = 1843213680. Its totient is φ = 1508082912.

The previous prime is 1672655989. The next prime is 1672656017. The reversal of 1672656011 is 1106562761.

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 1672656011 - 2²⁶ = 1605547147 is a prime.

It is a super-2 number, since 2×1672656011² = 5595556262268864242, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1672656017) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1495556 + ... + 1496673.

It is an arithmetic number, because the mean of its divisors is an integer number (230401710).

Almost surely, 2^1672656011 is an apocalyptic number.

1672656011 is a deficient number, since it is larger than the sum of its proper divisors (170557669).

1672656011 is a wasteful number, since it uses less digits than its factorization.

1672656011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2992285.

The product of its (nonzero) digits is 15120, while the sum is 35.

The square root of 1672656011 is about 40898.1174505624. The cubic root of 1672656011 is about 1187.0496342189.

The spelling of 1672656011 in words is "one billion, six hundred seventy-two million, six hundred fifty-six thousand, eleven".