661134034 has 16 divisors (see below), whose sum is σ = 1128893760. Its totient is φ = 287449360.

The previous prime is 661133971. The next prime is 661134109. The reversal of 661134034 is 430431166.

It is a super-2 number, since 2×661134034² = 874196421826226312, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 661133993 and 661134011.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 652789 + ... + 653800.

It is an arithmetic number, because the mean of its divisors is an integer number (70555860).

Almost surely, 2^661134034 is an apocalyptic number.

661134034 is a deficient number, since it is larger than the sum of its proper divisors (467759726).

661134034 is a wasteful number, since it uses less digits than its factorization.

661134034 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1306625.

The product of its (nonzero) digits is 5184, while the sum is 28.

The square root of 661134034 is about 25712.5267914299. The cubic root of 661134034 is about 871.1571487551.

The spelling of 661134034 in words is "six hundred sixty-one million, one hundred thirty-four thousand, thirty-four".