164098542641 has 16 divisors (see below), whose sum is σ = 180917392320. Its totient is φ = 147597434880.

The previous prime is 164098542631. The next prime is 164098542677. The reversal of 164098542641 is 146245890461.

It is not a de Polignac number, because 164098542641 - 2¹⁸ = 164098280497 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 164098542641.

It is not an unprimeable number, because it can be changed into a prime (164098542631) 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, 3754385 + ... + 3797841.

It is an arithmetic number, because the mean of its divisors is an integer number (11307337020).

Almost surely, 2^164098542641 is an apocalyptic number.

164098542641 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

164098542641 is a deficient number, since it is larger than the sum of its proper divisors (16818849679).

164098542641 is a wasteful number, since it uses less digits than its factorization.

164098542641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47104.

The product of its (nonzero) digits is 1658880, while the sum is 50.

The spelling of 164098542641 in words is "one hundred sixty-four billion, ninety-eight million, five hundred forty-two thousand, six hundred forty-one".