1655061045 has 32 divisors (see below), whose sum is σ = 2918643840. Its totient is φ = 794173440.

The previous prime is 1655061017. The next prime is 1655061047. The reversal of 1655061045 is 5401605561.

It is not a de Polignac number, because 1655061045 - 2⁷ = 1655060917 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1655060997 and 1655061015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1655061047) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 35700 + ... + 67709.

It is an arithmetic number, because the mean of its divisors is an integer number (91207620).

Almost surely, 2^1655061045 is an apocalyptic number.

1655061045 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1655061045 is a deficient number, since it is larger than the sum of its proper divisors (1263582795).

1655061045 is a wasteful number, since it uses less digits than its factorization.

1655061045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103525.

The product of its (nonzero) digits is 18000, while the sum is 33.

The square root of 1655061045 is about 40682.4414827822. The cubic root of 1655061045 is about 1182.8726917425.

The spelling of 1655061045 in words is "one billion, six hundred fifty-five million, sixty-one thousand, forty-five".