154360661 has 32 divisors (see below), whose sum is σ = 195084288. Its totient is φ = 118906560.

The previous prime is 154360651. The next prime is 154360667. The reversal of 154360661 is 166063451.

It is a cyclic number.

It is not a de Polignac number, because 154360661 - 2⁶ = 154360597 is a prime.

It is a super-4 number, since 4×154360661⁴ (a number of 34 digits) contains 4444 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (154360667) 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, 808076 + ... + 808266.

It is an arithmetic number, because the mean of its divisors is an integer number (6096384).

Almost surely, 2^154360661 is an apocalyptic number.

It is an amenable number.

154360661 is a deficient number, since it is larger than the sum of its proper divisors (40723627).

154360661 is a wasteful number, since it uses less digits than its factorization.

154360661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 401.

The product of its (nonzero) digits is 12960, while the sum is 32.

The square root of 154360661 is about 12424.1965937440. The cubic root of 154360661 is about 536.4289525421.

The spelling of 154360661 in words is "one hundred fifty-four million, three hundred sixty thousand, six hundred sixty-one".