611516101668 has 96 divisors (see below), whose sum is σ = 1447261869312. Its totient is φ = 200945472000.

The previous prime is 611516101663. The next prime is 611516101673. The reversal of 611516101668 is 866101615116.

It is an interprime number because it is at equal distance from previous prime (611516101663) and next prime (611516101673).

It is not an unprimeable number, because it can be changed into a prime (611516101661) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 379116430 + ... + 379118042.

It is an arithmetic number, because the mean of its divisors is an integer number (15075644472).

Almost surely, 2^611516101668 is an apocalyptic number.

It is an amenable number.

611516101668 is an abundant number, since it is smaller than the sum of its proper divisors (835745767644).

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

611516101668 is a wasteful number, since it uses less digits than its factorization.

611516101668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2885 (or 2883 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 42.

The spelling of 611516101668 in words is "six hundred eleven billion, five hundred sixteen million, one hundred one thousand, six hundred sixty-eight".