1616293266 has 16 divisors (see below), whose sum is σ = 3694384704. Its totient is φ = 461798064.

The previous prime is 1616293229. The next prime is 1616293277. The reversal of 1616293266 is 6623926161.

It is a super-2 number, since 2×1616293266² = 5224807843433893512, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (42), and also a Moran number because the ratio is a prime number: 38483173 = 1616293266 / (1 + 6 + 1 + 6 + 2 + 9 + 3 + 2 + 6 + 6).

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, 19241545 + ... + 19241628.

It is an arithmetic number, because the mean of its divisors is an integer number (230899044).

Almost surely, 2^1616293266 is an apocalyptic number.

1616293266 is an abundant number, since it is smaller than the sum of its proper divisors (2078091438).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1616293266 is a wasteful number, since it uses less digits than its factorization.

1616293266 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38483185.

The product of its digits is 139968, while the sum is 42.

The square root of 1616293266 is about 40203.1499512165. The cubic root of 1616293266 is about 1173.5638445148.

The spelling of 1616293266 in words is "one billion, six hundred sixteen million, two hundred ninety-three thousand, two hundred sixty-six".