54166142164215 has 64 divisors (see below), whose sum is σ = 88282687629312. Its totient is φ = 28353701376000.

The previous prime is 54166142164187. The next prime is 54166142164241. The reversal of 54166142164215 is 51246124166145.

It is not a de Polignac number, because 54166142164215 - 2⁹ = 54166142163703 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 360669390 + ... + 360819540.

It is an arithmetic number, because the mean of its divisors is an integer number (1379416994208).

Almost surely, 2^{54166142164215} is an apocalyptic number.

54166142164215 is a deficient number, since it is larger than the sum of its proper divisors (34116545465097).

54166142164215 is a wasteful number, since it uses less digits than its factorization.

54166142164215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 151840.

The product of its digits is 1382400, while the sum is 48.

The spelling of 54166142164215 in words is "fifty-four trillion, one hundred sixty-six billion, one hundred forty-two million, one hundred sixty-four thousand, two hundred fifteen".