66452496 has 80 divisors (see below), whose sum is σ = 188940288. Its totient is φ = 19958400.

The previous prime is 66452471. The next prime is 66452527. The reversal of 66452496 is 69425466.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 66561 + ... + 67551.

Almost surely, 2^66452496 is an apocalyptic number.

66452496 is a gapful number since it is divisible by the number (66) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 66452496, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (94470144).

66452496 is an abundant number, since it is smaller than the sum of its proper divisors (122487792).

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

66452496 is a wasteful number, since it uses less digits than its factorization.

66452496 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1140 (or 1134 counting only the distinct ones).

The product of its digits is 311040, while the sum is 42.

The square root of 66452496 is about 8151.8400376847. The cubic root of 66452496 is about 405.0454574796.

It can be divided in two parts, 6645 and 2496, that multiplied together give a triangular number (16585920 = T₅₇₅₉).

The spelling of 66452496 in words is "sixty-six million, four hundred fifty-two thousand, four hundred ninety-six".