66483620 has 48 divisors (see below), whose sum is σ = 160030080. Its totient is φ = 22727424.

The previous prime is 66483589. The next prime is 66483629. The reversal of 66483620 is 2638466.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is not an unprimeable number, because it can be changed into a prime (66483629) 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, 81776 + ... + 82584.

It is an arithmetic number, because the mean of its divisors is an integer number (3333960).

Almost surely, 2^66483620 is an apocalyptic number.

It is an amenable number.

66483620 is an abundant number, since it is smaller than the sum of its proper divisors (93546460).

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

66483620 is a wasteful number, since it uses less digits than its factorization.

66483620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1412 (or 1410 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 35.

The square root of 66483620 is about 8153.7488310592. The cubic root of 66483620 is about 405.1086839341.

The spelling of 66483620 in words is "sixty-six million, four hundred eighty-three thousand, six hundred twenty".