2667256533 has 40 divisors (see below), whose sum is σ = 4130324352. Its totient is φ = 1714198464.

The previous prime is 2667256519. The next prime is 2667256567. The reversal of 2667256533 is 3356527662.

2667256533 is a `hidden beast` number, since 2 + 6 + 67 + 2 + 56 + 533 = 666.

It is not a de Polignac number, because 2667256533 - 2¹² = 2667252437 is a prime.

It is a super-2 number, since 2×2667256533² = 14228514825662360178, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2667256513) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 249841 + ... + 260297.

Almost surely, 2^2667256533 is an apocalyptic number.

It is an amenable number.

2667256533 is a deficient number, since it is larger than the sum of its proper divisors (1463067819).

2667256533 is a wasteful number, since it uses less digits than its factorization.

2667256533 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10583 (or 10574 counting only the distinct ones).

The product of its digits is 1360800, while the sum is 45.

The square root of 2667256533 is about 51645.4889898431. The cubic root of 2667256533 is about 1386.8247887813.

The spelling of 2667256533 in words is "two billion, six hundred sixty-seven million, two hundred fifty-six thousand, five hundred thirty-three".