66544151036 has 12 divisors (see below), whose sum is σ = 127038833880. Its totient is φ = 30247341360.

The previous prime is 66544151033. The next prime is 66544151039. The reversal of 66544151036 is 63015144566.

It is an interprime number because it is at equal distance from previous prime (66544151033) and next prime (66544151039).

It is a junction number, because it is equal to n+sod(n) for n = 66544150984 and 66544151002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66544151033) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 756183491 + ... + 756183578.

It is an arithmetic number, because the mean of its divisors is an integer number (10586569490).

Almost surely, 2^66544151036 is an apocalyptic number.

It is an amenable number.

66544151036 is a deficient number, since it is larger than the sum of its proper divisors (60494682844).

66544151036 is a wasteful number, since it uses less digits than its factorization.

66544151036 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1512367084 (or 1512367082 counting only the distinct ones).

The product of its (nonzero) digits is 259200, while the sum is 41.

The spelling of 66544151036 in words is "sixty-six billion, five hundred forty-four million, one hundred fifty-one thousand, thirty-six".