1816352097 has 16 divisors (see below), whose sum is σ = 2930585472. Its totient is φ = 976861440.

The previous prime is 1816352051. The next prime is 1816352123. The reversal of 1816352097 is 7902536181.

It is not a de Polignac number, because 1816352097 - 2¹⁶ = 1816286561 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1816352047) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2543554 + ... + 2544267.

It is an arithmetic number, because the mean of its divisors is an integer number (183161592).

Almost surely, 2^1816352097 is an apocalyptic number.

1816352097 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

1816352097 is a deficient number, since it is larger than the sum of its proper divisors (1114233375).

1816352097 is a wasteful number, since it uses less digits than its factorization.

1816352097 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5087848.

The product of its (nonzero) digits is 90720, while the sum is 42.

The square root of 1816352097 is about 42618.6824878480. The cubic root of 1816352097 is about 1220.1128841619.

The spelling of 1816352097 in words is "one billion, eight hundred sixteen million, three hundred fifty-two thousand, ninety-seven".