154560636397 has 16 divisors (see below), whose sum is σ = 164198664000. Its totient is φ = 144983704320.

The previous prime is 154560636361. The next prime is 154560636427. The reversal of 154560636397 is 793636065451.

It is a cyclic number.

It is not a de Polignac number, because 154560636397 - 2²⁷ = 154426418669 is a prime.

It is a super-2 number, since 2×154560636397² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (154560636697) 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, 16198254 + ... + 16207792.

It is an arithmetic number, because the mean of its divisors is an integer number (10262416500).

Almost surely, 2^154560636397 is an apocalyptic number.

154560636397 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

154560636397 is a deficient number, since it is larger than the sum of its proper divisors (9638027603).

154560636397 is a wasteful number, since it uses less digits than its factorization.

154560636397 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12636.

The product of its (nonzero) digits is 12247200, while the sum is 55.

The spelling of 154560636397 in words is "one hundred fifty-four billion, five hundred sixty million, six hundred thirty-six thousand, three hundred ninety-seven".