1611466397 has 8 divisors (see below), whose sum is σ = 1761299712. Its totient is φ = 1467748800.

The previous prime is 1611466357. The next prime is 1611466433. The reversal of 1611466397 is 7936641161.

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

It is a cyclic number.

It is not a de Polignac number, because 1611466397 - 2¹² = 1611462301 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1611466327) 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, 1528379 + ... + 1529432.

It is an arithmetic number, because the mean of its divisors is an integer number (220162464).

Almost surely, 2^1611466397 is an apocalyptic number.

1611466397 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

1611466397 is a deficient number, since it is larger than the sum of its proper divisors (149833315).

1611466397 is a wasteful number, since it uses less digits than its factorization.

1611466397 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3057859.

The product of its digits is 163296, while the sum is 44.

The square root of 1611466397 is about 40143.0740850772. The cubic root of 1611466397 is about 1172.3944430290.

The spelling of 1611466397 in words is "one billion, six hundred eleven million, four hundred sixty-six thousand, three hundred ninety-seven".