1655164031 has 8 divisors (see below), whose sum is σ = 1701782880. Its totient is φ = 1608644448.

The previous prime is 1655164003. The next prime is 1655164037. The reversal of 1655164031 is 1304615561.

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 1655164031 - 2¹⁸ = 1654901887 is a prime.

It is a super-2 number, since 2×1655164031² = 5479135939032337922, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1655164037) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9665 + ... + 58341.

It is an arithmetic number, because the mean of its divisors is an integer number (212722860).

Almost surely, 2^1655164031 is an apocalyptic number.

1655164031 is a deficient number, since it is larger than the sum of its proper divisors (46618849).

1655164031 is an equidigital number, since it uses as much as digits as its factorization.

1655164031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49633.

The product of its (nonzero) digits is 10800, while the sum is 32.

The square root of 1655164031 is about 40683.7071934208. The cubic root of 1655164031 is about 1182.8972259434.

Adding to 1655164031 its reverse (1304615561), we get a palindrome (2959779592).

The spelling of 1655164031 in words is "one billion, six hundred fifty-five million, one hundred sixty-four thousand, thirty-one".