66492838510 has 32 divisors (see below), whose sum is σ = 136885090752. Its totient is φ = 22780907520.

The previous prime is 66492838499. The next prime is 66492838523. The reversal of 66492838510 is 1583829466.

It is a congruent number.

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, 249811 + ... + 442030.

It is an arithmetic number, because the mean of its divisors is an integer number (4277659086).

Almost surely, 2^66492838510 is an apocalyptic number.

66492838510 is an abundant number, since it is smaller than the sum of its proper divisors (70392252242).

66492838510 is a wasteful number, since it uses less digits than its factorization.

66492838510 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 693228.

The product of its (nonzero) digits is 2488320, while the sum is 52.

The spelling of 66492838510 in words is "sixty-six billion, four hundred ninety-two million, eight hundred thirty-eight thousand, five hundred ten".