1577147146046 has 4 divisors (see below), whose sum is σ = 2365720719072. Its totient is φ = 788573573022.

The previous prime is 1577147146033. The next prime is 1577147146049. The reversal of 1577147146046 is 6406417417751.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1577147146049) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 394286786510 + ... + 394286786513.

It is an arithmetic number, because the mean of its divisors is an integer number (591430179768).

Almost surely, 2^{1577147146046} is an apocalyptic number.

1577147146046 is a deficient number, since it is larger than the sum of its proper divisors (788573573026).

1577147146046 is an equidigital number, since it uses as much as digits as its factorization.

1577147146046 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 788573573025.

The product of its (nonzero) digits is 3951360, while the sum is 53.

The spelling of 1577147146046 in words is "one trillion, five hundred seventy-seven billion, one hundred forty-seven million, one hundred forty-six thousand, forty-six".