4661022154 has 4 divisors (see below), whose sum is σ = 6991533234. Its totient is φ = 2330511076.

The previous prime is 4661022137. The next prime is 4661022193. The reversal of 4661022154 is 4512201664.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 4195541529 + 465480625 = 64773^2 + 21575^2 .

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1165255537 + ... + 1165255540.

Almost surely, 2^4661022154 is an apocalyptic number.

4661022154 is a deficient number, since it is larger than the sum of its proper divisors (2330511080).

4661022154 is a wasteful number, since it uses less digits than its factorization.

4661022154 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2330511079.

The product of its (nonzero) digits is 11520, while the sum is 31.

The square root of 4661022154 is about 68271.6790038153. The cubic root of 4661022154 is about 1670.4252868837.

The spelling of 4661022154 in words is "four billion, six hundred sixty-one million, twenty-two thousand, one hundred fifty-four".