620881528066746 has 16 divisors (see below), whose sum is σ = 1250696603301600. Its totient is φ = 205471584827568.

The previous prime is 620881528066741. The next prime is 620881528066777. The reversal of 620881528066746 is 647660825188026.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (620881528066741) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 372231131101 + ... + 372231132768.

It is an arithmetic number, because the mean of its divisors is an integer number (78168537706350).

Almost surely, 2^{620881528066746} is an apocalyptic number.

620881528066746 is an abundant number, since it is smaller than the sum of its proper divisors (629815075234854).

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

620881528066746 is a wasteful number, since it uses less digits than its factorization.

620881528066746 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 744462264013.

The product of its (nonzero) digits is 371589120, while the sum is 69.

The spelling of 620881528066746 in words is "six hundred twenty trillion, eight hundred eighty-one billion, five hundred twenty-eight million, sixty-six thousand, seven hundred forty-six".