611670045 has 64 divisors (see below), whose sum is σ = 1137475584. Its totient is φ = 274924800.

The previous prime is 611670043. The next prime is 611670049. The reversal of 611670045 is 540076116.

It is not a de Polignac number, because 611670045 - 2¹ = 611670043 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 611669994 and 611670021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (611670043) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2742804 + ... + 2743026.

It is an arithmetic number, because the mean of its divisors is an integer number (17773056).

Almost surely, 2^611670045 is an apocalyptic number.

It is an amenable number.

611670045 is a deficient number, since it is larger than the sum of its proper divisors (525805539).

611670045 is a wasteful number, since it uses less digits than its factorization.

611670045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 562.

The product of its (nonzero) digits is 5040, while the sum is 30.

The square root of 611670045 is about 24731.9640344231. The cubic root of 611670045 is about 848.8658668979.

The spelling of 611670045 in words is "six hundred eleven million, six hundred seventy thousand, forty-five".