1655170167 has 48 divisors (see below), whose sum is σ = 2727551232. Its totient is φ = 889714560.

The previous prime is 1655170141. The next prime is 1655170171. The reversal of 1655170167 is 7610715561.

It is not a de Polignac number, because 1655170167 - 2⁶ = 1655170103 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1655170117) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 856192 + ... + 858122.

It is an arithmetic number, because the mean of its divisors is an integer number (56823984).

Almost surely, 2^1655170167 is an apocalyptic number.

1655170167 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

1655170167 is a deficient number, since it is larger than the sum of its proper divisors (1072381065).

1655170167 is an frugal number, since it uses more digits than its factorization.

1655170167 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1986 (or 1958 counting only the distinct ones).

The product of its (nonzero) digits is 44100, while the sum is 39.

The square root of 1655170167 is about 40683.7826043744. The cubic root of 1655170167 is about 1182.8986876813.

The spelling of 1655170167 in words is "one billion, six hundred fifty-five million, one hundred seventy thousand, one hundred sixty-seven".