673655067552051 has 32 divisors (see below), whose sum is σ = 1103825351334720. Its totient is φ = 403352722351872.

The previous prime is 673655067552023. The next prime is 673655067552079. The reversal of 673655067552051 is 150255760556376.

673655067552051 is a `hidden beast` number, since 6 + 7 + 3 + 6 + 5 + 50 + 6 + 7 + 5 + 520 + 51 = 666.

It is an interprime number because it is at equal distance from previous prime (673655067552023) and next prime (673655067552079).

It is not a de Polignac number, because 673655067552051 - 2⁹ = 673655067551539 is a prime.

It is a super-2 number, since 2×673655067552051² (a number of 30 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 673655067552051.

It is not an unprimeable number, because it can be changed into a prime (673655067552091) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 25935733050 + ... + 25935759023.

It is an arithmetic number, because the mean of its divisors is an integer number (34494542229210).

Almost surely, 2^{673655067552051} is an apocalyptic number.

673655067552051 is a deficient number, since it is larger than the sum of its proper divisors (430170283782669).

673655067552051 is a wasteful number, since it uses less digits than its factorization.

673655067552051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51871492132 (or 51871492126 counting only the distinct ones).

The product of its (nonzero) digits is 198450000, while the sum is 63.

The spelling of 673655067552051 in words is "six hundred seventy-three trillion, six hundred fifty-five billion, sixty-seven million, five hundred fifty-two thousand, fifty-one".