1612661455 has 16 divisors (see below), whose sum is σ = 1969984800. Its totient is φ = 1266979840.

The previous prime is 1612661417. The next prime is 1612661467. The reversal of 1612661455 is 5541662161.

It is not a de Polignac number, because 1612661455 - 2⁹ = 1612660943 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 378135 + ... + 382375.

It is an arithmetic number, because the mean of its divisors is an integer number (123124050).

Almost surely, 2^1612661455 is an apocalyptic number.

1612661455 is a deficient number, since it is larger than the sum of its proper divisors (357323345).

1612661455 is a wasteful number, since it uses less digits than its factorization.

1612661455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5594.

The product of its digits is 43200, while the sum is 37.

The square root of 1612661455 is about 40157.9563100514. The cubic root of 1612661455 is about 1172.6841859940.

The spelling of 1612661455 in words is "one billion, six hundred twelve million, six hundred sixty-one thousand, four hundred fifty-five".