1655061501 has 8 divisors (see below), whose sum is σ = 2220805024. Its totient is φ = 1096346160.

The previous prime is 1655061491. The next prime is 1655061521. The reversal of 1655061501 is 1051605561.

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

It is not a de Polignac number, because 1655061501 - 2⁶ = 1655061437 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1655061521) 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, 1756495 + ... + 1757436.

It is an arithmetic number, because the mean of its divisors is an integer number (277600628).

Almost surely, 2^1655061501 is an apocalyptic number.

It is an amenable number.

1655061501 is a deficient number, since it is larger than the sum of its proper divisors (565743523).

1655061501 is a wasteful number, since it uses less digits than its factorization.

1655061501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3514091.

The product of its (nonzero) digits is 4500, while the sum is 30.

The square root of 1655061501 is about 40682.4470871652. The cubic root of 1655061501 is about 1182.8728003769.

The spelling of 1655061501 in words is "one billion, six hundred fifty-five million, sixty-one thousand, five hundred one".