4155432061566 has 8 divisors (see below), whose sum is σ = 8310864123144. Its totient is φ = 1385144020520.

The previous prime is 4155432061483. The next prime is 4155432061589. The reversal of 4155432061566 is 6651602345514.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

4155432061566 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 346286005125 + ... + 346286005136.

It is an arithmetic number, because the mean of its divisors is an integer number (1038858015393).

Almost surely, 2^{4155432061566} is an apocalyptic number.

4155432061566 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

4155432061566 is a wasteful number, since it uses less digits than its factorization.

4155432061566 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 692572010266.

The product of its (nonzero) digits is 2592000, while the sum is 48.

The spelling of 4155432061566 in words is "four trillion, one hundred fifty-five billion, four hundred thirty-two million, sixty-one thousand, five hundred sixty-six".