66700037033 has 16 divisors (see below), whose sum is σ = 78878741760. Its totient is φ = 55184942400.

The previous prime is 66700037023. The next prime is 66700037039. The reversal of 66700037033 is 33073000766.

It is not a de Polignac number, because 66700037033 - 2¹⁶ = 66699971497 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 66700036984 and 66700037002.

It is not an unprimeable number, because it can be changed into a prime (66700037039) 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, 732668 + ... + 818658.

It is an arithmetic number, because the mean of its divisors is an integer number (4929921360).

Almost surely, 2^66700037033 is an apocalyptic number.

It is an amenable number.

66700037033 is a deficient number, since it is larger than the sum of its proper divisors (12178704727).

66700037033 is a wasteful number, since it uses less digits than its factorization.

66700037033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89848.

The product of its (nonzero) digits is 47628, while the sum is 35.

Adding to 66700037033 its reverse (33073000766), we get a palindrome (99773037799).

The spelling of 66700037033 in words is "sixty-six billion, seven hundred million, thirty-seven thousand, thirty-three".