890455406061 has 16 divisors (see below), whose sum is σ = 1278630815616. Its totient is φ = 547960479936.

The previous prime is 890455406023. The next prime is 890455406077. The reversal of 890455406061 is 160604554098.

It is not a de Polignac number, because 890455406061 - 2³⁴ = 873275536877 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 890455406061.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (890455406021) 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, 1740091 + ... + 2192903.

It is an arithmetic number, because the mean of its divisors is an integer number (79914425976).

Almost surely, 2^890455406061 is an apocalyptic number.

It is an amenable number.

890455406061 is a deficient number, since it is larger than the sum of its proper divisors (388175409555).

890455406061 is a wasteful number, since it uses less digits than its factorization.

890455406061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 503252.

The product of its (nonzero) digits is 1036800, while the sum is 48.

The spelling of 890455406061 in words is "eight hundred ninety billion, four hundred fifty-five million, four hundred six thousand, sixty-one".