61262354016643 has 8 divisors (see below), whose sum is σ = 66558690955008. Its totient is φ = 56049423959424.

The previous prime is 61262354016547. The next prime is 61262354016653. The reversal of 61262354016643 is 34661045326216.

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

It is a cyclic number.

It is not a de Polignac number, because 61262354016643 - 2⁴¹ = 59063330761091 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (61262354016653) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20851718755 + ... + 20851721692.

It is an arithmetic number, because the mean of its divisors is an integer number (8319836369376).

Almost surely, 2^{61262354016643} is an apocalyptic number.

61262354016643 is a deficient number, since it is larger than the sum of its proper divisors (5296336938365).

61262354016643 is a wasteful number, since it uses less digits than its factorization.

61262354016643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41703440573.

The product of its (nonzero) digits is 3732480, while the sum is 49.

The spelling of 61262354016643 in words is "sixty-one trillion, two hundred sixty-two billion, three hundred fifty-four million, sixteen thousand, six hundred forty-three".