1066405533 has 16 divisors (see below), whose sum is σ = 1510449600. Its totient is φ = 667336320.

The previous prime is 1066405519. The next prime is 1066405541. The reversal of 1066405533 is 3355046601.

It is not a de Polignac number, because 1066405533 - 2⁴ = 1066405517 is a prime.

It is a super-2 number, since 2×1066405533² = 2274441521626028178, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1066405494 and 1066405503.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1066405553) 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, 79608 + ... + 92033.

It is an arithmetic number, because the mean of its divisors is an integer number (94403100).

Almost surely, 2^1066405533 is an apocalyptic number.

It is an amenable number.

1066405533 is a deficient number, since it is larger than the sum of its proper divisors (444044067).

1066405533 is a wasteful number, since it uses less digits than its factorization.

1066405533 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 171772.

The product of its (nonzero) digits is 32400, while the sum is 33.

The square root of 1066405533 is about 32655.8652159149. The cubic root of 1066405533 is about 1021.6625242231.

It can be divided in two parts, 1066405 and 533, that multiplied together give a palindrome (568393865).

The spelling of 1066405533 in words is "one billion, sixty-six million, four hundred five thousand, five hundred thirty-three".