41720215061618 has 8 divisors (see below), whose sum is σ = 62581413527148. Its totient is φ = 20859743885904.

The previous prime is 41720215061593. The next prime is 41720215061633. The reversal of 41720215061618 is 81616051202714.

It can be written as a sum of positive squares in 2 ways, for example, as 39652120842049 + 2068094219569 = 6296993^2 + 1438087^2 .

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

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, 181679021 + ... + 181908512.

Almost surely, 2^{41720215061618} is an apocalyptic number.

41720215061618 is a deficient number, since it is larger than the sum of its proper divisors (20861198465530).

41720215061618 is a wasteful number, since it uses less digits than its factorization.

41720215061618 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 363644908.

The product of its (nonzero) digits is 161280, while the sum is 44.

The spelling of 41720215061618 in words is "forty-one trillion, seven hundred twenty billion, two hundred fifteen million, sixty-one thousand, six hundred eighteen".