66046533 has 16 divisors (see below), whose sum is σ = 102542976. Its totient is φ = 37028160.

The previous prime is 66046511. The next prime is 66046549. The reversal of 66046533 is 33564066.

It is a happy number.

It is not a de Polignac number, because 66046533 - 2¹³ = 66038341 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 66046494 and 66046503.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66046333) 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, 28558 + ... + 30783.

It is an arithmetic number, because the mean of its divisors is an integer number (6408936).

Almost surely, 2^66046533 is an apocalyptic number.

It is an amenable number.

66046533 is a deficient number, since it is larger than the sum of its proper divisors (36496443).

66046533 is a wasteful number, since it uses less digits than its factorization.

66046533 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59404.

The product of its (nonzero) digits is 38880, while the sum is 33.

The square root of 66046533 is about 8126.9018081923. The cubic root of 66046533 is about 404.2189550139.

The spelling of 66046533 in words is "sixty-six million, forty-six thousand, five hundred thirty-three".