162653154664545 has 24 divisors (see below), whose sum is σ = 281933058976296. Its totient is φ = 86748064777728.

The previous prime is 162653154664537. The next prime is 162653154664547. The reversal of 162653154664545 is 545466451356261.

162653154664545 is a `hidden beast` number, since 1 + 6 + 2 + 6 + 5 + 3 + 1 + 546 + 6 + 45 + 45 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 2251512254016 + 160401642410529 = 1500504^2 + 12664977^2 .

It is not a de Polignac number, because 162653154664545 - 2³ = 162653154664537 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (162653154664547) 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, 8332137 + ... + 19867833.

It is an arithmetic number, because the mean of its divisors is an integer number (11747210790679).

Almost surely, 2^{162653154664545} is an apocalyptic number.

162653154664545 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

162653154664545 is a deficient number, since it is larger than the sum of its proper divisors (119279904311751).

162653154664545 is a wasteful number, since it uses less digits than its factorization.

162653154664545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11849041 (or 11849038 counting only the distinct ones).

The product of its digits is 311040000, while the sum is 63.

The spelling of 162653154664545 in words is "one hundred sixty-two trillion, six hundred fifty-three billion, one hundred fifty-four million, six hundred sixty-four thousand, five hundred forty-five".