1613551046 has 4 divisors (see below), whose sum is σ = 2420326572. Its totient is φ = 806775522.

The previous prime is 1613551033. The next prime is 1613551061. The reversal of 1613551046 is 6401553161.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 6401553161 = 56773 ⋅112757.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 403387760 + ... + 403387763.

It is an arithmetic number, because the mean of its divisors is an integer number (605081643).

Almost surely, 2^1613551046 is an apocalyptic number.

1613551046 is a deficient number, since it is larger than the sum of its proper divisors (806775526).

1613551046 is an equidigital number, since it uses as much as digits as its factorization.

1613551046 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 806775525.

The product of its (nonzero) digits is 10800, while the sum is 32.

The square root of 1613551046 is about 40169.0309318012. The cubic root of 1613551046 is about 1172.8997752676.

The spelling of 1613551046 in words is "one billion, six hundred thirteen million, five hundred fifty-one thousand, forty-six".