451006661010061 has 16 divisors (see below), whose sum is σ = 509851681323264. Its totient is φ = 395828728694784.

The previous prime is 451006661010053. The next prime is 451006661010121. The reversal of 451006661010061 is 160010166600154.

It is not a de Polignac number, because 451006661010061 - 2³ = 451006661010053 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 451006661010061.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (451006661010761) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4516068276 + ... + 4516168141.

It is an arithmetic number, because the mean of its divisors is an integer number (31865730082704).

Almost surely, 2^{451006661010061} is an apocalyptic number.

It is an amenable number.

451006661010061 is a deficient number, since it is larger than the sum of its proper divisors (58845020313203).

451006661010061 is a wasteful number, since it uses less digits than its factorization.

451006661010061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9032236620.

The product of its (nonzero) digits is 25920, while the sum is 37.

The spelling of 451006661010061 in words is "four hundred fifty-one trillion, six billion, six hundred sixty-one million, ten thousand, sixty-one".