6161554672 has 40 divisors (see below), whose sum is σ = 14692941536. Its totient is φ = 2437537536.

The previous prime is 6161554649. The next prime is 6161554741. The reversal of 6161554672 is 2764551616.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2114463 + ... + 2117374.

Almost surely, 2^6161554672 is an apocalyptic number.

It is an amenable number.

6161554672 is an abundant number, since it is smaller than the sum of its proper divisors (8531386864).

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

6161554672 is a wasteful number, since it uses less digits than its factorization.

6161554672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4231865 (or 4231859 counting only the distinct ones).

The product of its digits is 302400, while the sum is 43.

The square root of 6161554672 is about 78495.5710342947. The cubic root of 6161554672 is about 1833.2854942301.

The spelling of 6161554672 in words is "six billion, one hundred sixty-one million, five hundred fifty-four thousand, six hundred seventy-two".