1655676151 has 2 divisors, whose sum is σ = 1655676152. Its totient is φ = 1655676150.

The previous prime is 1655676079. The next prime is 1655676161. The reversal of 1655676151 is 1516765561.

It is a strong prime.

It is an emirp because it is prime and its reverse (1516765561) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1655676151 - 2⁷ = 1655676023 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1655676098 and 1655676107.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1655676161) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 827838075 + 827838076.

It is an arithmetic number, because the mean of its divisors is an integer number (827838076).

Almost surely, 2^1655676151 is an apocalyptic number.

1655676151 is a deficient number, since it is larger than the sum of its proper divisors (1).

1655676151 is an equidigital number, since it uses as much as digits as its factorization.

1655676151 is an evil number, because the sum of its binary digits is even.

The product of its digits is 189000, while the sum is 43.

The square root of 1655676151 is about 40690.0006266896. Note that the first 3 decimals coincide. The cubic root of 1655676151 is about 1183.0192124149.

The spelling of 1655676151 in words is "one billion, six hundred fifty-five million, six hundred seventy-six thousand, one hundred fifty-one".