1616601011634 has 32 divisors (see below), whose sum is σ = 4105653363840. Its totient is φ = 461886003216.

The previous prime is 1616601011629. The next prime is 1616601011653. The reversal of 1616601011634 is 4361101066161.

1616601011634 is a `hidden beast` number, since 1 + 6 + 1 + 6 + 6 + 0 + 1 + 0 + 11 + 634 = 666.

It is a super-2 number, since 2×1616601011634² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2138360749 + ... + 2138361504.

It is an arithmetic number, because the mean of its divisors is an integer number (128301667620).

Almost surely, 2^{1616601011634} is an apocalyptic number.

1616601011634 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

1616601011634 is an abundant number, since it is smaller than the sum of its proper divisors (2489052352206).

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

1616601011634 is a wasteful number, since it uses less digits than its factorization.

1616601011634 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4276722271 (or 4276722265 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 36.

Adding to 1616601011634 its reverse (4361101066161), we get a palindrome (5977702077795).

The spelling of 1616601011634 in words is "one trillion, six hundred sixteen billion, six hundred one million, eleven thousand, six hundred thirty-four".