641610601527 has 16 divisors (see below), whose sum is σ = 977921288960. Its totient is φ = 366548775552.

The previous prime is 641610601459. The next prime is 641610601543. The reversal of 641610601527 is 725106016146.

It is not a de Polignac number, because 641610601527 - 2¹² = 641610597431 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (641610611527) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3485377 + ... + 3664842.

It is an arithmetic number, because the mean of its divisors is an integer number (61120080560).

Almost surely, 2^641610601527 is an apocalyptic number.

641610601527 is a deficient number, since it is larger than the sum of its proper divisors (336310687433).

641610601527 is a wasteful number, since it uses less digits than its factorization.

641610601527 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7154502.

The product of its (nonzero) digits is 60480, while the sum is 39.

The spelling of 641610601527 in words is "six hundred forty-one billion, six hundred ten million, six hundred one thousand, five hundred twenty-seven".