4948990161 has 8 divisors (see below), whose sum is σ = 6739050624. Its totient is φ = 3229128240.

The previous prime is 4948990153. The next prime is 4948990183. The reversal of 4948990161 is 1610998494.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 4948990161 - 2³ = 4948990153 is a prime.

It is a super-2 number, since 2×4948990161² = 48985007227349611842, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (4948990061) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17549470 + ... + 17549751.

It is an arithmetic number, because the mean of its divisors is an integer number (842381328).

Almost surely, 2^4948990161 is an apocalyptic number.

It is an amenable number.

4948990161 is a deficient number, since it is larger than the sum of its proper divisors (1790060463).

4948990161 is a wasteful number, since it uses less digits than its factorization.

4948990161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35099271.

The product of its (nonzero) digits is 559872, while the sum is 51.

The square root of 4948990161 is about 70349.0594180192. The cubic root of 4948990161 is about 1704.1410190303.

The spelling of 4948990161 in words is "four billion, nine hundred forty-eight million, nine hundred ninety thousand, one hundred sixty-one".