164898712969 has 4 divisors (see below), whose sum is σ = 166439822544. Its totient is φ = 163357603396.

The previous prime is 164898712949. The next prime is 164898712973. The reversal of 164898712969 is 969217898461.

164898712969 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 164898712969 - 2³³ = 156308778377 is a prime.

It is a super-2 number, since 2×164898712969² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 164898712898 and 164898712907.

It is not an unprimeable number, because it can be changed into a prime (164898712919) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 770554627 + ... + 770554840.

It is an arithmetic number, because the mean of its divisors is an integer number (41609955636).

Almost surely, 2^164898712969 is an apocalyptic number.

It is an amenable number.

164898712969 is a deficient number, since it is larger than the sum of its proper divisors (1541109575).

164898712969 is a wasteful number, since it uses less digits than its factorization.

164898712969 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1541109574.

The product of its digits is 94058496, while the sum is 70.

The spelling of 164898712969 in words is "one hundred sixty-four billion, eight hundred ninety-eight million, seven hundred twelve thousand, nine hundred sixty-nine".