1612664078 has 8 divisors (see below), whose sum is σ = 2419694472. Its totient is φ = 806099256.

The previous prime is 1612664077. The next prime is 1612664087. The reversal of 1612664078 is 8704662161.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1612664077) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 107600 + ... + 121667.

It is an arithmetic number, because the mean of its divisors is an integer number (302461809).

Almost surely, 2^1612664078 is an apocalyptic number.

1612664078 is a deficient number, since it is larger than the sum of its proper divisors (807030394).

1612664078 is a wasteful number, since it uses less digits than its factorization.

1612664078 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 232786.

The product of its (nonzero) digits is 96768, while the sum is 41.

The square root of 1612664078 is about 40157.9889685726. The cubic root of 1612664078 is about 1172.6848217855.

The spelling of 1612664078 in words is "one billion, six hundred twelve million, six hundred sixty-four thousand, seventy-eight".