66353464 has 8 divisors (see below), whose sum is σ = 124412760. Its totient is φ = 33176728.

The previous prime is 66353461. The next prime is 66353471. The reversal of 66353464 is 46435366.

It is a tau number, because it is divible by the number of its divisors (8).

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66353461) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4147084 + ... + 4147099.

It is an arithmetic number, because the mean of its divisors is an integer number (15551595).

Almost surely, 2^66353464 is an apocalyptic number.

It is an amenable number.

66353464 is a deficient number, since it is larger than the sum of its proper divisors (58059296).

66353464 is a wasteful number, since it uses less digits than its factorization.

66353464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8294189 (or 8294185 counting only the distinct ones).

The product of its digits is 155520, while the sum is 37.

The square root of 66353464 is about 8145.7635615085. The cubic root of 66353464 is about 404.8441487414.

The spelling of 66353464 in words is "sixty-six million, three hundred fifty-three thousand, four hundred sixty-four".