541665043620 has 96 divisors (see below), whose sum is σ = 1520792413056. Its totient is φ = 144051148800.

The previous prime is 541665043547. The next prime is 541665043627. The reversal of 541665043620 is 26340566145.

It is not an unprimeable number, because it can be changed into a prime (541665043627) 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, 39127900 + ... + 39141740.

It is an arithmetic number, because the mean of its divisors is an integer number (15841587636).

Almost surely, 2^541665043620 is an apocalyptic number.

It is an amenable number.

541665043620 is an abundant number, since it is smaller than the sum of its proper divisors (979127369436).

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

541665043620 is a wasteful number, since it uses less digits than its factorization.

541665043620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15581 (or 15579 counting only the distinct ones).

The product of its (nonzero) digits is 518400, while the sum is 42.

The spelling of 541665043620 in words is "five hundred forty-one billion, six hundred sixty-five million, forty-three thousand, six hundred twenty".