66152303450 has 24 divisors (see below), whose sum is σ = 123481187100. Its totient is φ = 26366748800.

The previous prime is 66152303449. The next prime is 66152303479. The reversal of 66152303450 is 5430325166.

It can be written as a sum of positive squares in 6 ways, for example, as 46271021449 + 19881282001 = 215107^2 + 141001^2 .

It is a super-2 number, since 2×66152303450² (a number of 22 digits) contains 22 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 66152303450.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2340125 + ... + 2368224.

Almost surely, 2^66152303450 is an apocalyptic number.

66152303450 is a deficient number, since it is larger than the sum of its proper divisors (57328883650).

66152303450 is a wasteful number, since it uses less digits than its factorization.

66152303450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4708642 (or 4708637 counting only the distinct ones).

The product of its (nonzero) digits is 64800, while the sum is 35.

The spelling of 66152303450 in words is "sixty-six billion, one hundred fifty-two million, three hundred three thousand, four hundred fifty".