620760155171 has 8 divisors (see below), whose sum is σ = 669028778544. Its totient is φ = 572565509280.

The previous prime is 620760155153. The next prime is 620760155189. The reversal of 620760155171 is 171551067026.

It is an interprime number because it is at equal distance from previous prime (620760155153) and next prime (620760155189).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 620760155171 - 2⁶ = 620760155107 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (620760155671) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18476936 + ... + 18510501.

It is an arithmetic number, because the mean of its divisors is an integer number (83628597318).

Almost surely, 2^620760155171 is an apocalyptic number.

620760155171 is a deficient number, since it is larger than the sum of its proper divisors (48268623373).

620760155171 is a wasteful number, since it uses less digits than its factorization.

620760155171 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36988741.

The product of its (nonzero) digits is 88200, while the sum is 41.

The spelling of 620760155171 in words is "six hundred twenty billion, seven hundred sixty million, one hundred fifty-five thousand, one hundred seventy-one".