1670729628255 has 8 divisors (see below), whose sum is σ = 2673167405232. Its totient is φ = 891055801728.

The previous prime is 1670729628233. The next prime is 1670729628287. The reversal of 1670729628255 is 5528269270761.

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

It is not a de Polignac number, because 1670729628255 - 2¹⁵ = 1670729595487 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 55690987594 + ... + 55690987623.

It is an arithmetic number, because the mean of its divisors is an integer number (334145925654).

Almost surely, 2^{1670729628255} is an apocalyptic number.

1670729628255 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1670729628255 is a deficient number, since it is larger than the sum of its proper divisors (1002437776977).

1670729628255 is a wasteful number, since it uses less digits than its factorization.

1670729628255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111381975225.

The product of its (nonzero) digits is 25401600, while the sum is 60.

The spelling of 1670729628255 in words is "one trillion, six hundred seventy billion, seven hundred twenty-nine million, six hundred twenty-eight thousand, two hundred fifty-five".