654540165001 has 4 divisors (see below), whose sum is σ = 675654363904. Its totient is φ = 633425966100.

The previous prime is 654540164977. The next prime is 654540165061. The reversal of 654540165001 is 100561045456.

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 654540165001 - 2⁵ = 654540164969 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (654540165061) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10557099405 + ... + 10557099466.

It is an arithmetic number, because the mean of its divisors is an integer number (168913590976).

Almost surely, 2^654540165001 is an apocalyptic number.

It is an amenable number.

654540165001 is a deficient number, since it is larger than the sum of its proper divisors (21114198903).

654540165001 is a wasteful number, since it uses less digits than its factorization.

654540165001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21114198902.

The product of its (nonzero) digits is 72000, while the sum is 37.

The spelling of 654540165001 in words is "six hundred fifty-four billion, five hundred forty million, one hundred sixty-five thousand, one".