241661354225541 has 32 divisors (see below), whose sum is σ = 347128077702528. Its totient is φ = 148987411415040.

The previous prime is 241661354225527. The next prime is 241661354225563. The reversal of 241661354225541 is 145522453166142.

It is a happy number.

It is not a de Polignac number, because 241661354225541 - 2⁹ = 241661354225029 is a prime.

It is a super-2 number, since 2×241661354225541² (a number of 30 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (241661354225141) 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, 38067420 + ... + 43959653.

It is an arithmetic number, because the mean of its divisors is an integer number (10847752428204).

Almost surely, 2^{241661354225541} is an apocalyptic number.

It is an amenable number.

241661354225541 is a deficient number, since it is larger than the sum of its proper divisors (105466723476987).

241661354225541 is a wasteful number, since it uses less digits than its factorization.

241661354225541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82028101.

The product of its digits is 6912000, while the sum is 51.

The spelling of 241661354225541 in words is "two hundred forty-one trillion, six hundred sixty-one billion, three hundred fifty-four million, two hundred twenty-five thousand, five hundred forty-one".