1071620067 has 8 divisors (see below), whose sum is σ = 1632944896. Its totient is φ = 612354312.

The previous prime is 1071620057. The next prime is 1071620131. The reversal of 1071620067 is 7600261701.

It is a happy number.

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

It is not a de Polignac number, because 1071620067 - 2⁴ = 1071620051 is a prime.

It is a super-2 number, since 2×1071620067² = 2296739135994168978, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1071620047) 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, 25514743 + ... + 25514784.

It is an arithmetic number, because the mean of its divisors is an integer number (204118112).

Almost surely, 2^1071620067 is an apocalyptic number.

1071620067 is a deficient number, since it is larger than the sum of its proper divisors (561324829).

1071620067 is an equidigital number, since it uses as much as digits as its factorization.

1071620067 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51029537.

The product of its (nonzero) digits is 3528, while the sum is 30.

The square root of 1071620067 is about 32735.6085478795. The cubic root of 1071620067 is about 1023.3250668541.

Adding to 1071620067 its reverse (7600261701), we get a palindrome (8671881768).

The spelling of 1071620067 in words is "one billion, seventy-one million, six hundred twenty thousand, sixty-seven".