66750738327036 has 96 divisors (see below), whose sum is σ = 179039399112000. Its totient is φ = 21481264594944.

The previous prime is 66750738327011. The next prime is 66750738327061. The reversal of 66750738327036 is 63072383705766.

66750738327036 is a `hidden beast` number, since 6 + 67 + 507 + 3 + 8 + 32 + 7 + 0 + 36 = 666.

It is an interprime number because it is at equal distance from previous prime (66750738327011) and next prime (66750738327061).

It is a super-2 number, since 2×66750738327036² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 38287900 + ... + 39993308.

It is an arithmetic number, because the mean of its divisors is an integer number (1864993740750).

Almost surely, 2^{66750738327036} is an apocalyptic number.

It is an amenable number.

66750738327036 is an abundant number, since it is smaller than the sum of its proper divisors (112288660784964).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

66750738327036 is a wasteful number, since it uses less digits than its factorization.

66750738327036 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1717948 (or 1717940 counting only the distinct ones).

The product of its (nonzero) digits is 160030080, while the sum is 63.

The spelling of 66750738327036 in words is "sixty-six trillion, seven hundred fifty billion, seven hundred thirty-eight million, three hundred twenty-seven thousand, thirty-six".