1634620436061 has 8 divisors (see below), whose sum is σ = 2182567956960. Its totient is φ = 1088209936272.

The previous prime is 1634620436039. The next prime is 1634620436087. The reversal of 1634620436061 is 1606340264361.

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

It is not a de Polignac number, because 1634620436061 - 2⁷ = 1634620435933 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1634620436161) 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, 384252795 + ... + 384257048.

It is an arithmetic number, because the mean of its divisors is an integer number (272820994620).

Almost surely, 2^{1634620436061} is an apocalyptic number.

It is an amenable number.

1634620436061 is a deficient number, since it is larger than the sum of its proper divisors (547947520899).

1634620436061 is an equidigital number, since it uses as much as digits as its factorization.

1634620436061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 768510555.

The product of its (nonzero) digits is 373248, while the sum is 42.

The spelling of 1634620436061 in words is "one trillion, six hundred thirty-four billion, six hundred twenty million, four hundred thirty-six thousand, sixty-one".