890164335851 has 24 divisors (see below), whose sum is σ = 1041138616320. Its totient is φ = 758842938000.

The previous prime is 890164335817. The next prime is 890164335901. The reversal of 890164335851 is 158533461098.

It is a happy number.

It is not a de Polignac number, because 890164335851 - 2¹⁴ = 890164319467 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 890164335793 and 890164335802.

It is not an unprimeable number, because it can be changed into a prime (890164335251) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 71487176 + ... + 71499626.

It is an arithmetic number, because the mean of its divisors is an integer number (43380775680).

Almost surely, 2^890164335851 is an apocalyptic number.

890164335851 is a deficient number, since it is larger than the sum of its proper divisors (150974280469).

890164335851 is a wasteful number, since it uses less digits than its factorization.

890164335851 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20295 (or 20288 counting only the distinct ones).

The product of its (nonzero) digits is 3110400, while the sum is 53.

The spelling of 890164335851 in words is "eight hundred ninety billion, one hundred sixty-four million, three hundred thirty-five thousand, eight hundred fifty-one".