61016200312641 has 24 divisors (see below), whose sum is σ = 94651828480800. Its totient is φ = 34861074075072.

The previous prime is 61016200312621. The next prime is 61016200312667. The reversal of 61016200312641 is 14621300261016.

It is not a de Polignac number, because 61016200312641 - 2⁵ = 61016200312609 is a prime.

It is a super-2 number, since 2×61016200312641² (a number of 28 digits) contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (61016200312601) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 30737316 + ... + 32662133.

It is an arithmetic number, because the mean of its divisors is an integer number (3943826186700).

Almost surely, 2^{61016200312641} is an apocalyptic number.

It is an amenable number.

61016200312641 is a deficient number, since it is larger than the sum of its proper divisors (33635628168159).

61016200312641 is a wasteful number, since it uses less digits than its factorization.

61016200312641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63406013 (or 63406006 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 33.

Adding to 61016200312641 its reverse (14621300261016), we get a palindrome (75637500573657).

The spelling of 61016200312641 in words is "sixty-one trillion, sixteen billion, two hundred million, three hundred twelve thousand, six hundred forty-one".